Questions over Delhi AQI data as several monitoring stations go offline on Diwali night

Part of a developing story

Diwali fireworks leave Delhi under a blanket of smog

Smog covered New Delhi after Diwali celebrations, with firecrackers adding to pollution, WJXT and Al Jazeera reported. The Hindu said the city’s average air quality index was in the “very poor” category, while Free Press Journal reported the same reading and said Jahangirpuri had the worst level. The Hindu’s description gave a higher peak reading for that area than Free Press Journal. Al Jazeera reported severe air quality on Monday; other reports described conditions as very poor or close to severe.