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Homebridge-airnow

Air Quality Index Sensor Plugin for Homebridge This plugin allows you to monitor your current AirQuality from HomeKit and Siri.

Currently supports two AQI Services:

1. AirNow which is limited to the USA. A valid ZipCode is required.
2. Aqicn which has international support, provided by the World Air Quality Index Project.
3. Gamta AQI provider in Lithuania.

Depending on where exactly you would like to monitor AQI, one service may be more appropriate than the other.

Installation

1. Install homebridge using: npm install -g homebridge
2. Install this plugin using: npm install -g homebridge-airnow
3. Update your configuration file like the example below.
4. Ensure you have either an AirNow.gov or Aqicn.org API account to use that web service and have a valid API_KEY for that web service. For Gamta provider, You need nearest station #ID (please check config example below). For assistance visit - https://docs.airnowapi.org/faq or http://aqicn.org/data-platform/token/#/.

This plugin will create an AirQualitySensor element. The Home app works well, but the Eve app seems to show more measurements. Measurements retrieved are PM2.5, PM10, & O3 for AirNow. Aqicn adds NO2, SO2, CO...

Configuration

Example config.json:

"accessories": [
	{
		"accessory": "airnow",
		"name": "AirNow",
		"provider": "airnow",
		"airnow_api": "XXXXXX",
		"zipcode": "02860",
		"distance": "25",
		"aqicn_api": "XXXXXX",
		"aqicn_city": "@245",
		"polling": "30"
	}
],

Example config.json for "Gamta" AQI provider:

"accessories": [
	{
		"accessory": "airnow",
		"name": "AirNow",
		"provider": "gamta",
		"gamta_station": "0001",
		"polling": "30"
	}
],

Explanation:

Field	Description
accessory	Required - Must be "airnow" (all lowercase).
name	Required - Name override for logging.
provider	Required - Name of the AQI provider service. Valid options are: airnow, aqicn, gamta. Default is airnow.
airnow_api	Optional - Required for AirNow.gov. YOUR API key from AirNow.gov.
zipcode	Optional - Required and only for AirNow. This is the Zip code for the area being checked.
distance	Optional - Optional and only used for AirNow.gov - Distance to search for monitoring station from zipcode. Defaults to 25 miles from zip.
aqicn_api	Optional - Required for Aqicn.org. YOUR API key from Aqicn.org.
aqicn_city	Optional - Optional and only used for Aqicn.org - A valid city @code from http://aqicn.org/city/all/ OR defaults to 'here' which will use Geolocation based on your IP. The correct aqicn_city @code parameter using the below example for Reseda, Los Angeles would be @245. Hover over the search results and use the code at the bottom of the web page.
gamta_station	Optional - Required for Gamta. Station ID (check nearest station from http://stoteles.gamta.lt/ap3/)
polling	Optional - Poll interval. Default is 0 minute, which is OFF or no polling.