Date despre calitatea aerului furnizate de: the World Meteorological Organization - surface synoptic observations (WMO-SYNOP) (worldweather.wmo.int) and the U.S. Embassy and Consulates' Air Quality Monitor in India (in.usembassy.gov)
News (January 8th): Noticed a change in AQI values? The Air Quality Scale in use has been updatedto align with the USEPA Standard.
For more information, please thisrefer to article about the National Air Quality Standard