diff --git a/homeassistant/components/ambient_station/diagnostics.py b/homeassistant/components/ambient_station/diagnostics.py
new file mode 100644
index 00000000000..f62e1e9d423
--- /dev/null
+++ b/homeassistant/components/ambient_station/diagnostics.py
@@ -0,0 +1,62 @@
+"""Diagnostics support for Ambient PWS."""
+from __future__ import annotations
+
+from types import MappingProxyType
+from typing import Any
+
+from homeassistant.components.diagnostics import REDACTED
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import CONF_API_KEY
+from homeassistant.core import HomeAssistant, callback
+
+from . import AmbientStation
+from .const import CONF_APP_KEY, DOMAIN
+
+CONF_API_KEY_CAMEL = "apiKey"
+CONF_APP_KEY_CAMEL = "appKey"
+CONF_DEVICE_ID_CAMEL = "deviceId"
+CONF_LOCATION = "location"
+CONF_MAC_ADDRESS = "mac_address"
+CONF_MAC_ADDRESS_CAMEL = "macAddress"
+CONF_TZ = "tz"
+
+
+@callback
+def _async_redact_data(data: MappingProxyType | dict) -> dict[str, Any]:
+    """Redact sensitive data in a dict."""
+    redacted = {**data}
+
+    for key, value in redacted.items():
+        if key in (
+            CONF_API_KEY,
+            CONF_API_KEY_CAMEL,
+            CONF_APP_KEY,
+            CONF_APP_KEY_CAMEL,
+            CONF_DEVICE_ID_CAMEL,
+            CONF_LOCATION,
+            CONF_MAC_ADDRESS,
+            CONF_MAC_ADDRESS_CAMEL,
+            CONF_TZ,
+        ):
+            redacted[key] = REDACTED
+        elif isinstance(value, dict):
+            redacted[key] = _async_redact_data(value)
+        elif isinstance(value, list):
+            redacted[key] = [_async_redact_data(item) for item in value]
+
+    return redacted
+
+
+async def async_get_config_entry_diagnostics(
+    hass: HomeAssistant, entry: ConfigEntry
+) -> dict[str, Any]:
+    """Return diagnostics for a config entry."""
+    ambient: AmbientStation = hass.data[DOMAIN][entry.entry_id]
+
+    return {
+        "entry": {
+            "title": entry.title,
+            "data": _async_redact_data(entry.data),
+        },
+        "stations": _async_redact_data(ambient.stations),
+    }
diff --git a/tests/components/ambient_station/conftest.py b/tests/components/ambient_station/conftest.py
index 6cdeb2b40ad..680fa82303d 100644
--- a/tests/components/ambient_station/conftest.py
+++ b/tests/components/ambient_station/conftest.py
@@ -46,3 +46,9 @@ async def setup_ambient_station_fixture(hass, config, devices):
         assert await async_setup_component(hass, DOMAIN, config)
         await hass.async_block_till_done()
         yield
+
+
+@pytest.fixture(name="station_data", scope="session")
+def station_data_fixture():
+    """Define devices data."""
+    return json.loads(load_fixture("station_data.json", "ambient_station"))
diff --git a/tests/components/ambient_station/fixtures/station_data.json b/tests/components/ambient_station/fixtures/station_data.json
new file mode 100644
index 00000000000..31b9e7b4f0f
--- /dev/null
+++ b/tests/components/ambient_station/fixtures/station_data.json
@@ -0,0 +1,43 @@
+{
+  "devices": [
+    {
+      "macAddress": "12:34:56:78:90:AB",
+      "lastData": {
+        "dateutc": 1642631880000,
+        "tempinf": 70.9,
+        "humidityin": 29,
+        "baromrelin": 29.953,
+        "baromabsin": 25.016,
+        "tempf": 21,
+        "humidity": 87,
+        "winddir": 25,
+        "windspeedmph": 0.2,
+        "windgustmph": 1.1,
+        "maxdailygust": 9.2,
+        "hourlyrainin": 0,
+        "eventrainin": 0,
+        "dailyrainin": 0,
+        "weeklyrainin": 0,
+        "monthlyrainin": 0.409,
+        "totalrainin": 35.398,
+        "solarradiation": 11.62,
+        "uv": 0,
+        "batt_co2": 1,
+        "feelsLike": 21,
+        "dewPoint": 17.75,
+        "feelsLikein": 69.1,
+        "dewPointin": 37,
+        "lastRain": "2022-01-07T19:45:00.000Z",
+        "deviceId": "1234567890abcdef12345678",
+        "tz": "America/New York",
+        "date": "2022-01-19T22:38:00.000Z"
+      },
+      "info": {
+        "name": "Side Yard",
+        "location": "Home"
+      },
+      "apiKey": "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
+    }
+  ],
+  "method": "subscribe"
+}
diff --git a/tests/components/ambient_station/test_diagnostics.py b/tests/components/ambient_station/test_diagnostics.py
new file mode 100644
index 00000000000..2295dad64d9
--- /dev/null
+++ b/tests/components/ambient_station/test_diagnostics.py
@@ -0,0 +1,58 @@
+"""Test Ambient PWS diagnostics."""
+from homeassistant.components.ambient_station import DOMAIN
+
+from tests.components.diagnostics import get_diagnostics_for_config_entry
+
+
+async def test_entry_diagnostics(
+    hass, config_entry, hass_client, setup_ambient_station, station_data
+):
+    """Test config entry diagnostics."""
+    ambient = hass.data[DOMAIN][config_entry.entry_id]
+    ambient.stations = station_data
+    assert await get_diagnostics_for_config_entry(hass, hass_client, config_entry) == {
+        "entry": {
+            "data": {"api_key": "**REDACTED**", "app_key": "**REDACTED**"},
+            "title": "Mock Title",
+        },
+        "stations": {
+            "devices": [
+                {
+                    "apiKey": "**REDACTED**",
+                    "info": {"location": "**REDACTED**", "name": "Side Yard"},
+                    "lastData": {
+                        "baromabsin": 25.016,
+                        "baromrelin": 29.953,
+                        "batt_co2": 1,
+                        "dailyrainin": 0,
+                        "date": "2022-01-19T22:38:00.000Z",
+                        "dateutc": 1642631880000,
+                        "deviceId": "**REDACTED**",
+                        "dewPoint": 17.75,
+                        "dewPointin": 37,
+                        "eventrainin": 0,
+                        "feelsLike": 21,
+                        "feelsLikein": 69.1,
+                        "hourlyrainin": 0,
+                        "humidity": 87,
+                        "humidityin": 29,
+                        "lastRain": "2022-01-07T19:45:00.000Z",
+                        "maxdailygust": 9.2,
+                        "monthlyrainin": 0.409,
+                        "solarradiation": 11.62,
+                        "tempf": 21,
+                        "tempinf": 70.9,
+                        "totalrainin": 35.398,
+                        "tz": "**REDACTED**",
+                        "uv": 0,
+                        "weeklyrainin": 0,
+                        "winddir": 25,
+                        "windgustmph": 1.1,
+                        "windspeedmph": 0.2,
+                    },
+                    "macAddress": "**REDACTED**",
+                }
+            ],
+            "method": "subscribe",
+        },
+    }