SmogRank / Countries / Peru / August 2025
Most polluted cities in Peru, August 2025
4 cities in Peru ranked by their average PM2.5 over the 31 days. Worst: San Francisco De Borja at 26.2 µg/m³, #65 of 2,289 cities in the world. Cleanest: Villa Poeta José Gálvez Barrenechea at 12.4. A city needs measurements on 70% of the days to be ranked.
- 1San Francisco De BorjaLima region 26.2
- 2Santa Anita - Los FicusLima region 23.4
- 3CallaoCallao 22.8
- 4Villa Poeta José Gálvez BarrenecheaLima region 12.4
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+