Delhi AQI crosses 400 on Diwali: Firecrackers push air quality into ‘severe’ zone as thick smog blankets city
Delhi AQI crosses 400 on Diwali: The air quality deteriorated while Stage III of the Graded Response Action Plan (GRAP) is in force across Delhi-NCR.
We haven't written up this one. Live Mint has the full story — the link below goes straight to it.