New Delhi, A layer of smog shrouded Delhi on Monday, as the national capital recorded its first ‘very poor’ air quality of the season, and three air quality monitoring stations logged pollution levels in the ‘severe’ category.
An AQI between zero and 50 is classified as ‘good’, 51-100 as ‘satisfactory’, 101-200 as ‘moderate’, 201-300 as ‘poor’, 301-400 as ‘very poor’ and 401-500 as ‘severe’, according to the Central Pollution Control Board . PM2.5 remained the dominant pollutant in the national capital, the CPCB said.
The air quality readings come on the second day of the restrictions imposed by the Delhi government to curb pollution in the city.
The city’s AQI is likely to remain in the ‘very poor’ category from November 3 to 5, according to the Air Quality Early Warning System for Delhi. The transport sector contributed 19.2 per cent to Monday’s pollution, while industries in Delhi and peripheral areas accounted for 4.2 per cent, according to the Decision Support System for Delhi. Stubble burning accounted for 8.4 per cent of the pollution, while other sources contributed 20.7 per cent, according to the DSS estimates.
It is expected to improve marginally to the ‘poor’ category over the subsequent six days.
