10. Hapur
- annual level of PM2.5 51 µg/m³ (2021)
- country: India
9. Peshawar
- annual level of PM2.5 55 µg/m³ (2021)
- country: Pakistan
8. Dhaka
- annual level of PM2.5 55 µg/m³ (2021)
- country: Bangladesh
7. Muzaffarnagar
- annual level of PM2.5 60 µg/m³ (2021)
- country: India
6. Lucknow
- annual level of PM2.5 66 µg/m³ (2021)
- country: India
5. New Delhi
- annual level of PM2.5 79 µg/m³ (2021)
- country: India
4. Aguascalientes
- annual level of PM2.5 86 µg/m³ (2021)
- country: Mexico
3. Delhi
- annual level of PM2.5 87 µg/m³ (2021)
- country: India
2. Ghaziabad
- annual level of PM2.5 90 µg/m³ (2021)
- country: India
1. Lahore
- annual level of PM2.5 106 µg/m³ (2021)
- country: Pakistan
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