Air quality in Delhi was reported 'severe' on Tuesday. As per the data provided by the Central Pollution Control Board (CPCB), the air quality index is at 469 in ITO, 489 in Narela, 497 in Sector 51, Gurugram (Haryana), and 480 in Sector 62, Noida (Uttar Pradesh), all in 'severe category'. On Monday, Delhi's air quality index (AQI) was recorded at 477 - the highest since November 3 last year when it was 494, as per Central Pollution Control Board data.

Its 24-hour average AQI recorded on Sunday, Saturday, Friday and Thursday were respectively at 416, 427, 406 and 450. The adjoining cities of Faridabad (456), Ghaziabad (482), Noida (477), Greater Noida (478), and Gurgaon (482) also recorded "severe" air quality. An AQI between zero 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".

Delhi Environment Minister Gopal Rai stated that he is looking at the pollution situation, have directed officials of the PWD to sprinkle water at every important road. The PWD has deployed 150 tankers and he has issued directions to increase the number of tankers

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