openHAB Air Quality Index measurement

airquality.items

    Number AirQualityIndex "AQI"
    String AirQuality "Air Quality [SCALE(airquality.scale):%s]"
    Switch AirQualityRerun "Measure AQI"

airquality.rules

rule "Test AirQuality"
when
    Time cron "0 0 * * * ?" or
    Item AirQualityRerun received command ON
then {
    var String coordinates = "37.14360;-115.482399"
    var String token = "YOURTOKEN"
    var response = sendHttpGetRequest("http://api.waqi.info/feed/geo:" + coordinates + "/?token=" + token, 3000)
    var aqi = transform("JSONPATH","$.data.aqi", response.toString)
    AirQualityIndex.postUpdate(aqi)
    AirQuality.postUpdate(aqi)
    AirQualityRerun.postUpdate(OFF)
}
end

airquality.scale

-=No data
[0..50]=Good
[51..100]=Moderate
[101..150]=Unhealthy for Sensitive Groups
[151..200]=Unhealthy
[201..300]=Very Unhealthy
[300..]=Hazardous

airquality_pl.scale

-=Brak danych
[0..50]=Dobra
[51..100]=Średnia
[101..150]=Niezdrowa dla osób wrażliwych
[151..200]=Niezdrowa
[201..300]=Bardzo niezdrowa
[300..]=Zagrożenie dla życia