SmogRank / Countries / China / September 2024

Most polluted cities in China, September 2024

3 cities in China ranked by their average PM2.5 over the 30 days. Worst: Beijing at 27.6 µg/m³, #25 of 1,555 cities in the world. Cleanest: Shanghai at 17.4. A city needs measurements on 70% of the days to be ranked.

  1. 1BeijingBeijing
    27.6
  2. 2GuangzhouGuangdong
    21.5
  3. 3ShanghaiShanghai
    17.4
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

All cities in the world, September 2024 · China now

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SmogRank, most polluted cities in China, PM2.5, September 2024, smogrank.com/cn/history/2024-09 (accessed 2 Oct 2026).

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