The Economic Times



Air quality in poor category in Delhi

The air quality index (AQI) in Delhi at 9 am on Sunday stood at 254 against an AQI of 412 at the same time on Saturday. The AQI in Faridabad was 228, Ghaziabad 241, Greater Noida 192, Noida 224 and Gurgaon 193. An AQI between 201 and 300 is considered 'poor', 301-400 'very poor' and 401-500 'severe'.

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