Add Air Pollution support to OpenWeatherMap (#137949)

Co-authored-by: Joostlek <joostlek@outlook.com>
2025-07-22 20:57:21 +00:00 · 2025-05-26 21:34:48 +02:00 · 2025-05-26 21:34:48 +02:00 · b17d62177c
commit b17d62177c
parent 16394061cb
8 changed files with 634 additions and 30 deletions
--- a/homeassistant/components/openweathermap/init.py
+++ b/homeassistant/components/openweathermap/init.py
@ -12,7 +12,7 @@ from homeassistant.const import CONF_API_KEY, CONF_LANGUAGE, CONF_MODE, CONF_NAM
 from homeassistant.core import HomeAssistant

 from .const import CONFIG_FLOW_VERSION, DEFAULT_OWM_MODE, OWM_MODES, PLATFORMS
-from .coordinator import WeatherUpdateCoordinator
+from .coordinator import OWMUpdateCoordinator, get_owm_update_coordinator
 from .repairs import async_create_issue, async_delete_issue
 from .utils import build_data_and_options

@ -27,7 +27,7 @@ class OpenweathermapData:

    name: str
    mode: str
-    coordinator: WeatherUpdateCoordinator
+    coordinator: OWMUpdateCoordinator


 async def async_setup_entry(
@ -45,13 +45,13 @@ async def async_setup_entry(
        async_delete_issue(hass, entry.entry_id)

    owm_client = create_owm_client(api_key, mode, lang=language)
-    weather_coordinator = WeatherUpdateCoordinator(hass, entry, owm_client)
+    owm_coordinator = get_owm_update_coordinator(mode)(hass, entry, owm_client)

-    await weather_coordinator.async_config_entry_first_refresh()
+    await owm_coordinator.async_config_entry_first_refresh()

    entry.async_on_unload(entry.add_update_listener(async_update_options))

-    entry.runtime_data = OpenweathermapData(name, mode, weather_coordinator)
+    entry.runtime_data = OpenweathermapData(name, mode, owm_coordinator)

    await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)

--- a/homeassistant/components/openweathermap/const.py
+++ b/homeassistant/components/openweathermap/const.py
@ -51,16 +51,28 @@ ATTR_API_CURRENT = "current"
 ATTR_API_MINUTE_FORECAST = "minute_forecast"
 ATTR_API_HOURLY_FORECAST = "hourly_forecast"
 ATTR_API_DAILY_FORECAST = "daily_forecast"
+ATTR_API_AIRPOLLUTION_AQI = "aqi"
+ATTR_API_AIRPOLLUTION_CO = "co"
+ATTR_API_AIRPOLLUTION_NO = "no"
+ATTR_API_AIRPOLLUTION_NO2 = "no2"
+ATTR_API_AIRPOLLUTION_O3 = "o3"
+ATTR_API_AIRPOLLUTION_SO2 = "so2"
+ATTR_API_AIRPOLLUTION_PM2_5 = "pm2_5"
+ATTR_API_AIRPOLLUTION_PM10 = "pm10"
+ATTR_API_AIRPOLLUTION_NH3 = "nh3"
+
 UPDATE_LISTENER = "update_listener"
 PLATFORMS = [Platform.SENSOR, Platform.WEATHER]

 OWM_MODE_FREE_CURRENT = "current"
 OWM_MODE_FREE_FORECAST = "forecast"
 OWM_MODE_V30 = "v3.0"
+OWM_MODE_AIRPOLLUTION = "air_pollution"
 OWM_MODES = [
    OWM_MODE_V30,
    OWM_MODE_FREE_CURRENT,
    OWM_MODE_FREE_FORECAST,
+    OWM_MODE_AIRPOLLUTION,
 ]
 DEFAULT_OWM_MODE = OWM_MODE_V30

--- a/homeassistant/components/openweathermap/coordinator.py
+++ b/homeassistant/components/openweathermap/coordinator.py
@ -1,12 +1,13 @@
-"""Weather data coordinator for the OpenWeatherMap (OWM) service."""
+"""Data coordinator for the OpenWeatherMap (OWM) service."""

 from __future__ import annotations

 from datetime import timedelta
 import logging
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Any

 from pyopenweathermap import (
+    CurrentAirPollution,
    CurrentWeather,
    DailyWeatherForecast,
    HourlyWeatherForecast,
@ -31,6 +32,15 @@ if TYPE_CHECKING:
    from . import OpenweathermapConfigEntry

 from .const import (
+    ATTR_API_AIRPOLLUTION_AQI,
+    ATTR_API_AIRPOLLUTION_CO,
+    ATTR_API_AIRPOLLUTION_NH3,
+    ATTR_API_AIRPOLLUTION_NO,
+    ATTR_API_AIRPOLLUTION_NO2,
+    ATTR_API_AIRPOLLUTION_O3,
+    ATTR_API_AIRPOLLUTION_PM2_5,
+    ATTR_API_AIRPOLLUTION_PM10,
+    ATTR_API_AIRPOLLUTION_SO2,
    ATTR_API_CLOUDS,
    ATTR_API_CONDITION,
    ATTR_API_CURRENT,
@ -57,16 +67,20 @@ from .const import (
    ATTR_API_WIND_SPEED,
    CONDITION_MAP,
    DOMAIN,
+    OWM_MODE_AIRPOLLUTION,
+    OWM_MODE_FREE_CURRENT,
+    OWM_MODE_FREE_FORECAST,
+    OWM_MODE_V30,
    WEATHER_CODE_SUNNY_OR_CLEAR_NIGHT,
 )

 _LOGGER = logging.getLogger(__name__)

-WEATHER_UPDATE_INTERVAL = timedelta(minutes=10)
+OWM_UPDATE_INTERVAL = timedelta(minutes=10)


-class WeatherUpdateCoordinator(DataUpdateCoordinator):
-    """Weather data update coordinator."""
+class OWMUpdateCoordinator(DataUpdateCoordinator):
+    """OWM data update coordinator."""

    config_entry: OpenweathermapConfigEntry

@ -86,9 +100,13 @@ class WeatherUpdateCoordinator(DataUpdateCoordinator):
            _LOGGER,
            config_entry=config_entry,
            name=DOMAIN,
-            update_interval=WEATHER_UPDATE_INTERVAL,
+            update_interval=OWM_UPDATE_INTERVAL,
        )

+
+class WeatherUpdateCoordinator(OWMUpdateCoordinator):
+    """Weather data update coordinator."""
+
    async def _async_update_data(self):
        """Update the data."""
        try:
@ -248,3 +266,52 @@ class WeatherUpdateCoordinator(DataUpdateCoordinator):
            return ATTR_CONDITION_CLEAR_NIGHT

        return CONDITION_MAP.get(weather_code)
+
+
+class AirPollutionUpdateCoordinator(OWMUpdateCoordinator):
+    """Air Pollution data update coordinator."""
+
+    async def _async_update_data(self) -> dict[str, Any]:
+        """Update the data."""
+        try:
+            air_pollution_report = await self._owm_client.get_air_pollution(
+                self._latitude, self._longitude
+            )
+        except RequestError as error:
+            raise UpdateFailed(error) from error
+        current_air_pollution = (
+            self._get_current_air_pollution_data(air_pollution_report.current)
+            if air_pollution_report.current is not None
+            else {}
+        )
+
+        return {
+            ATTR_API_CURRENT: current_air_pollution,
+        }
+
+    def _get_current_air_pollution_data(
+        self, current_air_pollution: CurrentAirPollution
+    ) -> dict[str, Any]:
+        return {
+            ATTR_API_AIRPOLLUTION_AQI: current_air_pollution.aqi,
+            ATTR_API_AIRPOLLUTION_CO: current_air_pollution.co,
+            ATTR_API_AIRPOLLUTION_NO: current_air_pollution.no,
+            ATTR_API_AIRPOLLUTION_NO2: current_air_pollution.no2,
+            ATTR_API_AIRPOLLUTION_O3: current_air_pollution.o3,
+            ATTR_API_AIRPOLLUTION_SO2: current_air_pollution.so2,
+            ATTR_API_AIRPOLLUTION_PM2_5: current_air_pollution.pm2_5,
+            ATTR_API_AIRPOLLUTION_PM10: current_air_pollution.pm10,
+            ATTR_API_AIRPOLLUTION_NH3: current_air_pollution.nh3,
+        }
+
+
+def get_owm_update_coordinator(mode: str) -> type[OWMUpdateCoordinator]:
+    """Create coordinator with a factory."""
+    coordinators = {
+        OWM_MODE_V30: WeatherUpdateCoordinator,
+        OWM_MODE_FREE_CURRENT: WeatherUpdateCoordinator,
+        OWM_MODE_FREE_FORECAST: WeatherUpdateCoordinator,
+        OWM_MODE_AIRPOLLUTION: AirPollutionUpdateCoordinator,
+    }
+
+    return coordinators[mode]
--- a/homeassistant/components/openweathermap/sensor.py
+++ b/homeassistant/components/openweathermap/sensor.py
@ -9,6 +9,8 @@ from homeassistant.components.sensor import (
    SensorStateClass,
 )
 from homeassistant.const import (
+    CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
+    CONCENTRATION_PARTS_PER_MILLION,
    DEGREE,
    PERCENTAGE,
    UV_INDEX,
@ -23,10 +25,17 @@ from homeassistant.helpers import entity_registry as er
 from homeassistant.helpers.device_registry import DeviceEntryType, DeviceInfo
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 from homeassistant.helpers.typing import StateType
-from homeassistant.helpers.update_coordinator import DataUpdateCoordinator

 from . import OpenweathermapConfigEntry
 from .const import (
+    ATTR_API_AIRPOLLUTION_AQI,
+    ATTR_API_AIRPOLLUTION_CO,
+    ATTR_API_AIRPOLLUTION_NO,
+    ATTR_API_AIRPOLLUTION_NO2,
+    ATTR_API_AIRPOLLUTION_O3,
+    ATTR_API_AIRPOLLUTION_PM2_5,
+    ATTR_API_AIRPOLLUTION_PM10,
+    ATTR_API_AIRPOLLUTION_SO2,
    ATTR_API_CLOUDS,
    ATTR_API_CONDITION,
    ATTR_API_CURRENT,
@ -47,8 +56,10 @@ from .const import (
    ATTRIBUTION,
    DOMAIN,
    MANUFACTURER,
+    OWM_MODE_AIRPOLLUTION,
    OWM_MODE_FREE_FORECAST,
 )
+from .coordinator import OWMUpdateCoordinator

 WEATHER_SENSOR_TYPES: tuple[SensorEntityDescription, ...] = (
    SensorEntityDescription(
@ -151,6 +162,56 @@ WEATHER_SENSOR_TYPES: tuple[SensorEntityDescription, ...] = (
    ),
 )

+AIRPOLLUTION_SENSOR_TYPES: tuple[SensorEntityDescription, ...] = (
+    SensorEntityDescription(
+        key=ATTR_API_AIRPOLLUTION_AQI,
+        device_class=SensorDeviceClass.AQI,
+        state_class=SensorStateClass.MEASUREMENT,
+    ),
+    SensorEntityDescription(
+        key=ATTR_API_AIRPOLLUTION_CO,
+        native_unit_of_measurement=CONCENTRATION_PARTS_PER_MILLION,
+        device_class=SensorDeviceClass.CO,
+        state_class=SensorStateClass.MEASUREMENT,
+    ),
+    SensorEntityDescription(
+        key=ATTR_API_AIRPOLLUTION_NO,
+        native_unit_of_measurement=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
+        device_class=SensorDeviceClass.NITROGEN_MONOXIDE,
+        state_class=SensorStateClass.MEASUREMENT,
+    ),
+    SensorEntityDescription(
+        key=ATTR_API_AIRPOLLUTION_NO2,
+        native_unit_of_measurement=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
+        device_class=SensorDeviceClass.NITROGEN_DIOXIDE,
+        state_class=SensorStateClass.MEASUREMENT,
+    ),
+    SensorEntityDescription(
+        key=ATTR_API_AIRPOLLUTION_O3,
+        native_unit_of_measurement=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
+        device_class=SensorDeviceClass.OZONE,
+        state_class=SensorStateClass.MEASUREMENT,
+    ),
+    SensorEntityDescription(
+        key=ATTR_API_AIRPOLLUTION_SO2,
+        native_unit_of_measurement=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
+        device_class=SensorDeviceClass.SULPHUR_DIOXIDE,
+        state_class=SensorStateClass.MEASUREMENT,
+    ),
+    SensorEntityDescription(
+        key=ATTR_API_AIRPOLLUTION_PM2_5,
+        native_unit_of_measurement=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
+        device_class=SensorDeviceClass.PM25,
+        state_class=SensorStateClass.MEASUREMENT,
+    ),
+    SensorEntityDescription(
+        key=ATTR_API_AIRPOLLUTION_PM10,
+        native_unit_of_measurement=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
+        device_class=SensorDeviceClass.PM10,
+        state_class=SensorStateClass.MEASUREMENT,
+    ),
+)
+

 async def async_setup_entry(
    hass: HomeAssistant,
@ -162,7 +223,7 @@ async def async_setup_entry(
    name = domain_data.name
    unique_id = config_entry.unique_id
    assert unique_id is not None
-    weather_coordinator = domain_data.coordinator
+    coordinator = domain_data.coordinator

    if domain_data.mode == OWM_MODE_FREE_FORECAST:
        entity_registry = er.async_get(hass)
@ -171,13 +232,23 @@ async def async_setup_entry(
        )
        for entry in entries:
            entity_registry.async_remove(entry.entity_id)
+    elif domain_data.mode == OWM_MODE_AIRPOLLUTION:
+        async_add_entities(
+            OpenWeatherMapSensor(
+                name,
+                unique_id,
+                description,
+                coordinator,
+            )
+            for description in AIRPOLLUTION_SENSOR_TYPES
+        )
    else:
        async_add_entities(
            OpenWeatherMapSensor(
                name,
                unique_id,
                description,
-                weather_coordinator,
+                coordinator,
            )
            for description in WEATHER_SENSOR_TYPES
        )
@ -195,7 +266,7 @@ class AbstractOpenWeatherMapSensor(SensorEntity):
        name: str,
        unique_id: str,
        description: SensorEntityDescription,
-        coordinator: DataUpdateCoordinator,
+        coordinator: OWMUpdateCoordinator,
    ) -> None:
        """Initialize the sensor."""
        self.entity_description = description
--- a/homeassistant/components/openweathermap/weather.py
+++ b/homeassistant/components/openweathermap/weather.py
@ -41,10 +41,11 @@ from .const import (
    DEFAULT_NAME,
    DOMAIN,
    MANUFACTURER,
+    OWM_MODE_AIRPOLLUTION,
    OWM_MODE_FREE_FORECAST,
    OWM_MODE_V30,
 )
-from .coordinator import WeatherUpdateCoordinator
+from .coordinator import OWMUpdateCoordinator

 SERVICE_GET_MINUTE_FORECAST = "get_minute_forecast"

@ -58,23 +59,25 @@ async def async_setup_entry(
    domain_data = config_entry.runtime_data
    name = domain_data.name
    mode = domain_data.mode
-    weather_coordinator = domain_data.coordinator

-    unique_id = f"{config_entry.unique_id}"
-    owm_weather = OpenWeatherMapWeather(name, unique_id, mode, weather_coordinator)
+    if mode != OWM_MODE_AIRPOLLUTION:
+        weather_coordinator = domain_data.coordinator

-    async_add_entities([owm_weather], False)
+        unique_id = f"{config_entry.unique_id}"
+        owm_weather = OpenWeatherMapWeather(name, unique_id, mode, weather_coordinator)

-    platform = entity_platform.async_get_current_platform()
-    platform.async_register_entity_service(
-        name=SERVICE_GET_MINUTE_FORECAST,
-        schema=None,
-        func="async_get_minute_forecast",
-        supports_response=SupportsResponse.ONLY,
-    )
+        async_add_entities([owm_weather], False)
+
+        platform = entity_platform.async_get_current_platform()
+        platform.async_register_entity_service(
+            name=SERVICE_GET_MINUTE_FORECAST,
+            schema=None,
+            func="async_get_minute_forecast",
+            supports_response=SupportsResponse.ONLY,
+        )


-class OpenWeatherMapWeather(SingleCoordinatorWeatherEntity[WeatherUpdateCoordinator]):
+class OpenWeatherMapWeather(SingleCoordinatorWeatherEntity[OWMUpdateCoordinator]):
    """Implementation of an OpenWeatherMap sensor."""

    _attr_attribution = ATTRIBUTION
@ -93,7 +96,7 @@ class OpenWeatherMapWeather(SingleCoordinatorWeatherEntity[WeatherUpdateCoordina
        name: str,
        unique_id: str,
        mode: str,
-        weather_coordinator: WeatherUpdateCoordinator,
+        weather_coordinator: OWMUpdateCoordinator,
    ) -> None:
        """Initialize the sensor."""
        super().__init__(weather_coordinator)
--- a/tests/components/openweathermap/conftest.py
+++ b/tests/components/openweathermap/conftest.py
@ -5,6 +5,8 @@ from datetime import UTC, datetime
 from unittest.mock import AsyncMock

 from pyopenweathermap import (
+    AirPollutionReport,
+    CurrentAirPollution,
    CurrentWeather,
    DailyTemperature,
    DailyWeatherForecast,
@ -132,6 +134,21 @@ def owm_client_mock() -> Generator[AsyncMock]:
    client.get_weather.return_value = WeatherReport(
        current_weather, minutely_weather_forecast, [], [daily_weather_forecast]
    )
+    current_air_pollution = CurrentAirPollution(
+        date_time=datetime.fromtimestamp(1714063537, tz=UTC),
+        aqi=3,
+        co=125.55,
+        no=0.11,
+        no2=0.78,
+        o3=101.98,
+        so2=0.59,
+        pm2_5=4.48,
+        pm10=4.77,
+        nh3=4.62,
+    )
+    client.get_air_pollution.return_value = AirPollutionReport(
+        current_air_pollution, []
+    )
    client.validate_key.return_value = True
    with (
        patch(
--- a/tests/components/openweathermap/snapshots/test_sensor.ambr
+++ b/tests/components/openweathermap/snapshots/test_sensor.ambr
@ -1,4 +1,435 @@
 # serializer version: 1
+# name: test_sensor_states[air_pollution][sensor.openweathermap_air_quality_index-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'sensor',
+    'entity_category': None,
+    'entity_id': 'sensor.openweathermap_air_quality_index',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': <SensorDeviceClass.AQI: 'aqi'>,
+    'original_icon': None,
+    'original_name': 'Air quality index',
+    'platform': 'openweathermap',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': '12.34-56.78-aqi',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_sensor_states[air_pollution][sensor.openweathermap_air_quality_index-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'attribution': 'Data provided by OpenWeatherMap',
+      'device_class': 'aqi',
+      'friendly_name': 'openweathermap Air quality index',
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.openweathermap_air_quality_index',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '3',
+  })
+# ---
+# name: test_sensor_states[air_pollution][sensor.openweathermap_carbon_monoxide-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'sensor',
+    'entity_category': None,
+    'entity_id': 'sensor.openweathermap_carbon_monoxide',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': <SensorDeviceClass.CO: 'carbon_monoxide'>,
+    'original_icon': None,
+    'original_name': 'Carbon monoxide',
+    'platform': 'openweathermap',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': '12.34-56.78-co',
+    'unit_of_measurement': 'ppm',
+  })
+# ---
+# name: test_sensor_states[air_pollution][sensor.openweathermap_carbon_monoxide-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'attribution': 'Data provided by OpenWeatherMap',
+      'device_class': 'carbon_monoxide',
+      'friendly_name': 'openweathermap Carbon monoxide',
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+      'unit_of_measurement': 'ppm',
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.openweathermap_carbon_monoxide',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '125.55',
+  })
+# ---
+# name: test_sensor_states[air_pollution][sensor.openweathermap_nitrogen_dioxide-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'sensor',
+    'entity_category': None,
+    'entity_id': 'sensor.openweathermap_nitrogen_dioxide',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': <SensorDeviceClass.NITROGEN_DIOXIDE: 'nitrogen_dioxide'>,
+    'original_icon': None,
+    'original_name': 'Nitrogen dioxide',
+    'platform': 'openweathermap',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': '12.34-56.78-no2',
+    'unit_of_measurement': 'µg/m³',
+  })
+# ---
+# name: test_sensor_states[air_pollution][sensor.openweathermap_nitrogen_dioxide-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'attribution': 'Data provided by OpenWeatherMap',
+      'device_class': 'nitrogen_dioxide',
+      'friendly_name': 'openweathermap Nitrogen dioxide',
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+      'unit_of_measurement': 'µg/m³',
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.openweathermap_nitrogen_dioxide',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '0.78',
+  })
+# ---
+# name: test_sensor_states[air_pollution][sensor.openweathermap_nitrogen_monoxide-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'sensor',
+    'entity_category': None,
+    'entity_id': 'sensor.openweathermap_nitrogen_monoxide',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': <SensorDeviceClass.NITROGEN_MONOXIDE: 'nitrogen_monoxide'>,
+    'original_icon': None,
+    'original_name': 'Nitrogen monoxide',
+    'platform': 'openweathermap',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': '12.34-56.78-no',
+    'unit_of_measurement': 'µg/m³',
+  })
+# ---
+# name: test_sensor_states[air_pollution][sensor.openweathermap_nitrogen_monoxide-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'attribution': 'Data provided by OpenWeatherMap',
+      'device_class': 'nitrogen_monoxide',
+      'friendly_name': 'openweathermap Nitrogen monoxide',
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+      'unit_of_measurement': 'µg/m³',
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.openweathermap_nitrogen_monoxide',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '0.11',
+  })
+# ---
+# name: test_sensor_states[air_pollution][sensor.openweathermap_ozone-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'sensor',
+    'entity_category': None,
+    'entity_id': 'sensor.openweathermap_ozone',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': <SensorDeviceClass.OZONE: 'ozone'>,
+    'original_icon': None,
+    'original_name': 'Ozone',
+    'platform': 'openweathermap',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': '12.34-56.78-o3',
+    'unit_of_measurement': 'µg/m³',
+  })
+# ---
+# name: test_sensor_states[air_pollution][sensor.openweathermap_ozone-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'attribution': 'Data provided by OpenWeatherMap',
+      'device_class': 'ozone',
+      'friendly_name': 'openweathermap Ozone',
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+      'unit_of_measurement': 'µg/m³',
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.openweathermap_ozone',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '101.98',
+  })
+# ---
+# name: test_sensor_states[air_pollution][sensor.openweathermap_pm10-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'sensor',
+    'entity_category': None,
+    'entity_id': 'sensor.openweathermap_pm10',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': <SensorDeviceClass.PM10: 'pm10'>,
+    'original_icon': None,
+    'original_name': 'PM10',
+    'platform': 'openweathermap',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': '12.34-56.78-pm10',
+    'unit_of_measurement': 'µg/m³',
+  })
+# ---
+# name: test_sensor_states[air_pollution][sensor.openweathermap_pm10-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'attribution': 'Data provided by OpenWeatherMap',
+      'device_class': 'pm10',
+      'friendly_name': 'openweathermap PM10',
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+      'unit_of_measurement': 'µg/m³',
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.openweathermap_pm10',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '4.77',
+  })
+# ---
+# name: test_sensor_states[air_pollution][sensor.openweathermap_pm2_5-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'sensor',
+    'entity_category': None,
+    'entity_id': 'sensor.openweathermap_pm2_5',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': <SensorDeviceClass.PM25: 'pm25'>,
+    'original_icon': None,
+    'original_name': 'PM2.5',
+    'platform': 'openweathermap',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': '12.34-56.78-pm2_5',
+    'unit_of_measurement': 'µg/m³',
+  })
+# ---
+# name: test_sensor_states[air_pollution][sensor.openweathermap_pm2_5-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'attribution': 'Data provided by OpenWeatherMap',
+      'device_class': 'pm25',
+      'friendly_name': 'openweathermap PM2.5',
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+      'unit_of_measurement': 'µg/m³',
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.openweathermap_pm2_5',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '4.48',
+  })
+# ---
+# name: test_sensor_states[air_pollution][sensor.openweathermap_sulphur_dioxide-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': dict({
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+    }),
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'sensor',
+    'entity_category': None,
+    'entity_id': 'sensor.openweathermap_sulphur_dioxide',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': <SensorDeviceClass.SULPHUR_DIOXIDE: 'sulphur_dioxide'>,
+    'original_icon': None,
+    'original_name': 'Sulphur dioxide',
+    'platform': 'openweathermap',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': None,
+    'unique_id': '12.34-56.78-so2',
+    'unit_of_measurement': 'µg/m³',
+  })
+# ---
+# name: test_sensor_states[air_pollution][sensor.openweathermap_sulphur_dioxide-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'attribution': 'Data provided by OpenWeatherMap',
+      'device_class': 'sulphur_dioxide',
+      'friendly_name': 'openweathermap Sulphur dioxide',
+      'state_class': <SensorStateClass.MEASUREMENT: 'measurement'>,
+      'unit_of_measurement': 'µg/m³',
+    }),
+    'context': <ANY>,
+    'entity_id': 'sensor.openweathermap_sulphur_dioxide',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': '0.59',
+  })
+# ---
 # name: test_sensor_states[current][sensor.openweathermap_cloud_coverage-entry]
  EntityRegistryEntrySnapshot({
    'aliases': set({
--- a/tests/components/openweathermap/test_sensor.py
+++ b/tests/components/openweathermap/test_sensor.py
@ -6,6 +6,7 @@ import pytest
 from syrupy.assertion import SnapshotAssertion

 from homeassistant.components.openweathermap.const import (
+    OWM_MODE_AIRPOLLUTION,
    OWM_MODE_FREE_CURRENT,
    OWM_MODE_FREE_FORECAST,
    OWM_MODE_V30,
@ -19,7 +20,9 @@ from . import setup_platform
 from tests.common import MockConfigEntry, snapshot_platform


-@pytest.mark.parametrize("mode", [OWM_MODE_V30, OWM_MODE_FREE_CURRENT], indirect=True)
+@pytest.mark.parametrize(
+    "mode", [OWM_MODE_V30, OWM_MODE_FREE_CURRENT, OWM_MODE_AIRPOLLUTION], indirect=True
+)
 async def test_sensor_states(
    hass: HomeAssistant,
    snapshot: SnapshotAssertion,