Data Blindspots, Weak Rules: Inside Delhi's Annual Battle For Clean Air
Diwali this year was the fourth most polluted day of the entire year, recording a staggering daily average PM2.5 concentration of 257 g/m.

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Data Blindspots, Weak Rules: Inside Delhi's Annual Battle For Clean Air (opens NDTV in a new tab)
Diwali this year was the fourth most polluted day of the entire year, recording a staggering daily average PM2.5 concentration of 257 g/m.

