Overview

• Delhi’s AQI eased to 169 on Sunday morning after a Saturday surge that saw a 24‑hour average of 199, one point short of the poor category.
• The Air Quality Early Warning System projects air quality will shift into the poor band from Sunday through the coming week as festive activity nears.
• Decision Support System data identifies transport as the largest single contributor at 17.9%, with satellite detections of stubble burning in Punjab (14), Haryana (1) and UP‑NCR (42).
• Skymet reported wind speeds of 6–9 km/h with northwesterlies that can carry dust and smoke, conditions that the IMD says are set to persist.
• Mumbai stayed in the moderate range at 149, though local hotspots such as Sewri reached readings near 198, indicating sharply varied exposure across the city.