Overview
- The city's 24-hour average AQI rose to 366 on Sunday, the season's second-highest daily reading after Friday's 373, CPCB reported.
- Many monitoring stations in the capital breached 400 in the 'severe' range, with Wazirpur among the worst-affected sites, according to CPCB data.
- Neighbouring NCR cities also logged 'very poor' air — Ghaziabad 351, Gurugram 357, Noida 348 and Greater Noida 340 — while Faridabad recorded 215.
- AQEWS and IMD cited low wind speeds and a weak ventilation index limiting dispersion, with forecasts keeping air in the 'very poor' band through November 4.
- Despite health advisories, an Indian Air Force marathon and other cycling events proceeded in Delhi, drawing criticism, as a ban on entry of certain non‑compliant commercial goods vehicles took effect November 1.