Delhi’s air quality plunged into the “severe” category on Tuesday with an AQI of 423, the worst this season. Following the sharp deterioration, the Centre enforced Stage III of GRAP measures to curb pollution. Meanwhile, temperatures dipped to 10.2 degree celsius, marking the first cold wave

Delhi woke up to its worst air quality of the season on Tuesday, with the AQI plunging to into the "severe" category at 423.

The Centre invoked stricter anti-pollution measures under Stage III of the Graded Response Action Plan (GRAP) in the wake of the deteriorating air quality.

On Monday, the Central Pollution Control Board's (CPCB) 24-hour average AQI data showed that Delhi's air quality was 'very poor' with an Air Quality Index (AQI) of 362. Read More

As per the CPCB classification, an AQI b

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