Delhi, air quality index

The air quality in Delhi reached its worst level today, with the AQI falling into the "severe" category. According to Safar ...
Delhi has recently registered its worst air quality for this season, with the city hitting the “severe” category in the ...
Delhi AQI remains at 'severe' but the environment minster recently said that GRAP 3 measures do not need to be imposed as of ...
GRAP 3 air pollution control measures to be imposed in Delhi, Gurugram, Faridabad and Ghaziabad as AQI plummets even further ...
The toxic smog engulfing Delhi was visible from space as satellite images captured the Indian national capital’s “severe” ...