On Monday, Delhi's average Air Quality Index (AQI) clocked at 356 as per the 4 p.m. AQI bulletin provided by the Central Pollution Control Board (CPCB).
The air quality index from 0 to 100 is considered 'good', 100 to 200 'moderate', 200 to 300 'poor', 300 to 400 'very poor' and from 400 to 500 or above 'severe'.
The Air Quality Index (AQI) across Delhi dipped into the'severe' category on Sunday as per the Central Pollution Control Board (CPCB) amid the cold weather conditions.
As the cold wave tightened its grip on northern India, the air quality dipped to the 'severe' category on the last day of the year, according to the Central Pollution Control Board data on Sunday.
The air quality in Delhi improved on Friday morning, moving from 'Very Poor' on Thursday to the 'Poor' category, according to the Central Pollution Control Board (CPCB).
The overall air quality in the national capital continued to hover in the 'very poor' category on Wednesday, according to the Central Pollution Control Board (CPCB).
The overall air quality in the national capital continued to hover in the 'very poor' range on Tuesday, according to the Central Pollution Control Board (CPCB).
The overall air quality index in the national capital slipped to the 'Very Poor' category on Sunday, the Central Pollution Control Board (CPCB) informed.