Why was post-Diwali air quality better this year?

Wind speed, warmer temperatures helped disperse pollutants 

Diwali pollution: Delhi air quality to be in ‘poor’ & ‘very poor’ categories today, tomorrow

Fire count due to stubble burning low over northwest Delhi as on October 23

Diwali 2022: Delhi air ‘very poor’, can worsen to ‘severe’

Farm stubble burning increased in Punjab, Haryana, Rajasthan; Firecracker ban in Delhi goes up in smoke too