Cleanest Kolkata Diwali in 2 decades, but microphone noise a concern
PM2.5 pollutants plummeted four times compared to their maximum recorded value on Diwali day 2019
Delhi-NCR air under emergency for a day & a half, yet no action
Only 16% complaints related to air pollution resolved between October 15 and November 4. Monitoring was closed after 9:30 pm on November 5
Delhi smog is back
Cocktail of pollutants and severe smog episodes can be deadly in Delhi and NCR even as Delhi government delays finalising air quality index