Overview
- Delhi averaged 304–324 on Monday on the CPCB index after a season-high 388 on Sunday, with several locations briefly exceeding 400.
- The Air Quality Early Warning System projects a shift to the 'severe' category on Tuesday, with very poor conditions lingering around that window.
- A bench led by Chief Justice BR Gavai directed the CAQM and CPCB to file updates on actions and explain monitoring failures after counsel said only 9 of 37 stations worked on Diwali.
- Graded Response Action Plan curbs remain in place, including a ban on entry of non-compliant commercial goods vehicles into Delhi that began on November 1.
- Pollution remained high across the NCR with Ghaziabad, Gurugram and Noida in the 'very poor' range, while Lahore and other cities in Pakistan’s Punjab shifted school start times to 8:45 am through January 31 to cut rush-hour emissions.