Overview
- Delhi’s monthly PM2.5 rose to 215 µg/m³ in November, up from 107 in October, with no day meeting India’s daily standard.
- Ghaziabad averaged 224 µg/m³ and breached the national limit on all 30 days, including 10 “Severe” days.
- CREA found farm‑fire contributions to Delhi averaged about 7% this November versus roughly 20% last year, pointing to dominant local sources.
- Twenty of 29 NCR cities recorded higher PM2.5 than last year, and most of the worst‑hit cities logged zero NAAQS‑compliant days.
- Nationally, 114 of 255 adequately monitored cities exceeded India’s limit, while only Shillong and Gangtok met the WHO daily guideline.