99 cities recorded ‘poor’ air quality a day after Deepavali 

Ambala in Haryana and Amritsar in Punjab recorded the highest values of 367 and 350, respectively, while Delhi’s average AQI was 339; PM2.5 levels in many parts of the country reached values seen only in the mid-winter months

​Ambala in Haryana and Amritsar in Punjab recorded the highest values of 367 and 350, respectively, while Delhi’s average AQI was 339; PM2.5 levels in many parts of the country reached values seen only in the mid-winter months