Delhi metropolitan air quality gets today most polluted with thick haze engulfed the national capital along with continuous snow on hilly trains and low wind has brought the Delhi envelope with cold humidity condition thus city smoke unable to take off and city is experiencing worst air pollution of this year.
An AQI between 0 and 50 is considered ‘good’, 51 and 100 ‘satisfactory’, 101 and 200 ‘moderate’, 201 and 300 ‘poor’, 301 and 400 ‘very poor’, and 401 and 500 ‘severe’.
The overall air quality index of Delhi was registered at 345 which falls in the ‘very poor’ category.
On Sunday, the air quality was registered at 171, which falls in moderate category, the lowest of three weeks, according to data of the Central Pollution Control Board.
Further, An official with the Centre-run System of Air Quality Forecasting and Research said despite moderate wind speed, the pollution in Delhi rose due to stubble burning from the neighbouring states.
“As expected there is a significant intrusion of bio-mass generated pollution in Delhi which is increasing pollution levels and made it very poor in spite of moderate surface wind speed,” he said.