As many as four cities in the country, including Delhi, had a “severe” air quality index (AQI) on Sunday, with the national capital (AQI 441) being the second-most polluted city.Also Read: GRAP-4
As many as four cities in the country, including Delhi, had a “severe” air quality index (AQI) on Sunday, with the national capital (AQI 441) being the second-most polluted city.Also Read: GRAP-4