SmogRank / Countries / Brazil / 2024
Most polluted cities in Brazil, 2024
1 city in Brazil ranked by their average PM2.5 over the 366 days; 1 above the WHO annual guideline (5.0 µg/m³). Worst: São Paulo at 14.3 µg/m³, #148 of 1,686 cities in the world. A city needs measurements on 70% of the days to be ranked.
- 1São PauloSão Paulo 14.32.9×
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+