| Category | Key Facts/Highlights |
|---|---|
| Most Polluted City | Ghaziabad (UP) - PM2.5: 224 µg/m³ (9x WHO's 24-hour safe limit) |
| Top 10 Polluted Cities | 1. Ghaziabad, 2. Noida, 3. Bahadurgarh, 4. Delhi (215 µg/m³), 5-10: UP/Haryana cities |
| CREA Report Findings | - 20/29 NCR cities worse than Nov 2024 - No safe days in most cities |
| Nationwide Trends | - Rajasthan: 23/34 cities breached limits - Haryana: 22/25 - UP: 14/20 |
| Cleanest Cities | Shillong (7 µg/m³), 6 Karnataka cities, 1 each in Sikkim, Tamil Nadu, Kerala |
| PM2.5 Health Risks | Respiratory/cardiovascular diseases, premature death (WHO safe limit: 15 µg/m³ annual) |
| Winter Pollution Causes | Temperature inversion, low wind speed, urban emissions (vehicles, construction, waste) |
| Policy Needs | Stricter enforcement on dust/vehicular emissions, clean energy transition, NCAP strengthening |
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