Delhi, Air quality index

BS 3 petrol and BS 4 diesel cars were banned from roads in Delhi after GRAP Stage 3 measures were implemented on Friday ...
Delhi experienced cold weather with light rainfall and poor air quality. The maximum temperature reached 16.9°C, while air ...
The Centre's air quality panel rolled back GRAP Stage 3 curbs in Delhi-NCR as pollution levels declined, though Stage 1 and 2 ...
Delhi-NCR air quality improves, GRAP stage 3 curbs revoked due to favorable meteorological conditions, AQI at 339.
Despite the overall improvement, Delhi witnessed six days of "severe" air quality in December, with AQI readings above 400.