Overview
- CPCB data showed the citywide AQI at 385 by 4 pm on Saturday, rising to around 390 by evening, with at least 20 of 40 monitoring stations in the severe category.
- Several neighbourhoods crossed 400, including Patparganj (~431–432), Nehru Nagar (442), Shadipur (429–443), RK Puram (412) and Sirifort (≈402).
- CAQM kept restrictions at GRAP Stage III, ordering curbs on construction and select industrial activity after Stage IV was revoked earlier in the week.
- Delhi’s environment minister announced permanent enforcement of two GRAP‑4 rules: no fuel without a valid PUCC and restrictions on entry of vehicles below BS6.
- Cold, calm winds and dense fog are trapping pollutants; IMD issued a dense‑fog alert and forecasts very poor air in coming days, while IndiGo warned of flight delays due to low visibility.