The air quality in the national capital fell back to 'very poor' on Thursday from being in 'severe' category a day before, as AQI was recorded at 304 as per the Central Pollution Control Board (CPCB)
The air quality in the national capital fell back to 'very poor' on Thursday from being in 'severe' category a day before, as AQI was recorded at 304 as per the Central Pollution Control Board (CPCB)