SmogRank / Countries / China / March 2024
Most polluted cities in China, March 2024
3 cities in China ranked by their average PM2.5 over the 31 days. Worst: Beijing at 53.2 µg/m³, #11 of 1,432 cities in the world. Cleanest: Guangzhou at 28.6. A city needs measurements on 70% of the days to be ranked.
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+