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Does a ‘good’ Air Quality Index rating mean it’s safe to be outdoors?
The Air Quality Index, or AQI, is the primary system used to warn the public when air pollution is dangerous. It’s based on ...
Hybrid classrooms, no-truck zones: GRAP IV kicks in as Delhi-NCR AQI nears 400
The CAQM's sub-committee highlighted an accelerating trend in pollution levels, noting the AQI had climbed to 393 by 5 PM and ...