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
News (January 21st, 2016): The location of the US Embassy Air Quality monitoring station has been re-updated to match the exact location. It was previously wrongly located next to the America Center, but is indeed located at the US embassy.

Air Quality Data provided by the U.S. Embassy and Consulates' Air Quality Monitor in India (newdelhi.usembassy.gov)