Air Quality If all goes well, use the various API methods to get details about the retrieved Air Quality Index of the chosen city or monitoring station. To get the AQI (Air Quality Index), use the methodgetAQI: $waqi->getAQI(); ...
The project is providing transparent air quality information for more than 100 countries, covering more than 12,000 stations in 1000 major cities, via those two websites: aqicn.org and waqi.info.” “The Air Quality Index is based on measurement of particulate matter (PM2.5 and PM10), Ozone...