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Delhi's air quality continues to be 'severe'; relief unlikely soon

Air quality in the national capital was recorded 'severe' on Tuesday. According to 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'. Earlier on Monday, Delhi's air quality index (AQI) stood at 477 - the highest since November 3 last year when it was 494, according to Central Pollution Control Board data.

Its 24-hour average AQI was 416 on Sunday, 427 on Saturday, 406 on Friday and 450 on Thursday.The neighbouring 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".

News source ~ India Tv