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Delhi’s air quality drops down to ‘very poor’ category: CPCB
(G.N.S) Dt. 11 New Delhi According to Central Pollution Control Board (CPCB) data, the overall air quality index (AQI) in the city was 348, which falls in the ‘very poor’ category. An AQI between 100 and 200 comes under ‘moderate’ category, 201 and 300 is considered ‘poor’, 301 and 400