Add Arve integration (#32532)

source/_integrations/arve.markdown

@@ -0,0 +1,54 @@
+---
+title: Arve
+description: Instructions on how to integrate Arve into Home Assistant
+ha_category:
+  - Environment
+  - Health
+  - Sensor
+ha_release: "2024.5"
+ha_iot_class: Cloud Polling
+ha_codeowners:
+  - "@ikalnyi"
+ha_domain: arve
+ha_platforms:
+  - sensor
+ha_integration_type: hub
+---
+
+The **Arve** {% term integration %} provides the ability to monitor real-life air quality data, as measured by your [Arve](https://www.arveair.com) device.
+
+{% include integrations/config_flow.md %}
+
+To create an integration for an Arve device, you need to fill in two required fields.
+Those are _Home Assistant access token_ and _Arve customer token_.
+_Home Assistant access token_ and _Arve customer token_ can be obtained by the user on the [Arve web platform](https://dashboard.arveair.com).
+
+## Measurement entities
+
+At the moment, an Arve device has the following measurement entities:
+
+| Entity name | Unit of measurement |
+| ----------- | ------------------- |
+| AQI         |                     |
+| CO2         | ppm                 |
+| Humidity    | %                   |
+| PM10        | µg/m³               |
+| PM25        | µg/m³               |
+| Temperature | °C                  |
+| TVOC        |                     |
+
+Here:
+
+AQI - air quality index;
+
+CO2 - co2 measurement in parts per million;
+
+Humidity - humidity percentage;
+
+PM10 - concentration of particulates with a diameter less than 10 µm;
+
+PM25 - concentration of particulates with a diameter less than 2.5 µm;
+
+Temperature - temperature measurement in degrees Celsius;
+
+TVOC - Total Volatile Organic Compounds index.