India AQI · 299,972 city-days · 2023
Delhi is the headline.
Winter is the story.
Add Ghaziabad as the audience’s reference point: it is slightly lower than Delhi on annual AQI, but its winter shock is smaller than the biggest Bihar spikes.
+219
largest winter jump: Purnia
181
Ghaziabad avg AQI 2023, rank #22
6.7×
AQI gap: Byrnihat vs Silchar
The workshop hook: famous places make the chart relatable; lesser-known spikes make it surprising.
Winter pollution shock, with Ghaziabad as anchor
Monsoon
Winter
Reference