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GRAP-3 restrictions imposed as Delhi's air quality remains 'severe'
The city's 24-hour Air Quality Index (AQI), recorded at 4 pm every day, stood at 424, up from 418 the previous day. Out of ...
As Chandigarh AQI crosses 500 mark, authorities consider closing schools
Congress MP Manish Tewari also urged the Chandigarh Administrator to consider closing the schools amid the pollution.