Most polluted cities in Asia
374 of 1,027 measured cities in 23 countries were above the WHO 24-hour guideline over the last 30 days. The worst was Miryang, South Korea, at 307.9 µg/m³.
← Miryang 307.9
WHO 24-hour guideline
Countries
| Country | Cities | Median | Cities by band |
|---|---|---|---|
| South Korea | 132 | 71.3 | |
| Bangladesh | 1 | 50.5 | |
| Singapore | 2 | 47.3 | |
| United Arab Emirates | 1 | 45.7 | |
| Pakistan | 15 | 41.6 | |
| Tajikistan | 1 | 40.1 | |
| Indonesia | 4 | 35.5 | |
| Philippines | 2 | 29.1 | |
| India | 205 | 24.9 | |
| Nepal | 2 | 24.0 | |
| Turkey | 1 | 23.7 | |
| Azerbaijan | 1 | 18.4 | |
| Bhutan | 1 | 16.8 | |
| China | 1 | 15.4 | |
| Lebanon | 3 | 14.5 | |
| Hong Kong | 12 | 13.9 | |
| Kazakhstan | 5 | 13.6 | |
| Armenia | 1 | 13.1 | |
| Laos | 2 | 12.7 | |
| Taiwan | 41 | 11.8 | |
| Thailand | 71 | 11.0 | |
| Cambodia | 1 | 10.9 | |
| Japan | 522 | 6.0 |
Worst cities
- 1MiryangGyeongsangnam-do, South Korea 10+
- 2HwasunJeollanam-do, South Korea 10+
- 3NangenJeollabuk-do, South Korea 10+
- 4SeosanChungcheongnam-do, South Korea 10+
- 5GaigeturiJeju-do, South Korea 10+
- 6Hwaseong-siGyeonggi-do, South Korea 10+
- 7Taesal-liChungcheongnam-do, South Korea 10+
- 8KosongGangwon-do, South Korea 10+
- 9SeogwipoJeju-do, South Korea 10+
- 10AnseongGyeonggi-do, South Korea 10+
- 11SinhyeonGyeongsangnam-do, South Korea 10+
- 12NonsanChungcheongnam-do, South Korea 10+
- 13ChangsuJeollabuk-do, South Korea 10+
- 14MokpoJeollanam-do, South Korea 10+
- 15KimjeJeollabuk-do, South Korea 10+
- 16JeongeupJeollabuk-do, South Korea 10+
- 17HadongGyeongsangnam-do, South Korea 10+
- 18Yangp'yŏngGyeonggi-do, South Korea 10+
- 19CheorwonGangwon-do, South Korea 10+
- 20KunwiGyeongsangbuk-do, South Korea 10+
- 21GeojeGyeongsangnam-do, South Korea 10+
- 22ChinjuGyeongsangnam-do, South Korea 10+
- 23YesanChungcheongnam-do, South Korea 10+
- 24PubalGyeonggi-do, South Korea 10+
- 25BuanJeollabuk-do, South Korea 10+
Low risk1–3
Moderate risk4–6
High risk7–10
Very high risk10+
Canada's AQHI+ for PM2.5 (1 point per 10 µg/m³), which is defined on hourly values. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
Updated 2026-10-02 05:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the Canada AQHI+ PM2.5 sub-index.