SmogRank / World / Peru / 2025
Most polluted cities in Peru, 2025
4 cities in Peru ranked by their average PM2.5 over the 365 days; 4 above the WHO annual guideline (5.0 µg/m³). Worst: Santa Anita - Los Ficus at 33.5 µg/m³, #129 of 2,320 cities in the world. Cleanest: Callao at 23.1. A city needs measurements on 70% of the days to be ranked.
← Santa Anita - Los Ficus 33.5 µg/m³
30 µg/m³5 WHO annual guideline
- 1Santa Anita - Los FicusLima region 33.56.7×
- 2LimaLima Province 27.05.4×
- 3San Francisco De BorjaLima region 23.64.7×
- 4CallaoCallao 23.14.6×
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+
PM2.5 in µg/m³, coloured by the US EPA's PM2.5 categories. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
All cities in the world, 2025 · Peru now
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SmogRank, most polluted cities in Peru, PM2.5, 2025, smogrank.com/pe/history/2025 (accessed 2 Oct 2026).
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