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, #96 of 2,122 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
WHO annual guideline
- 1Santa Anita - Los FicusLima region 966.7×
- 2LimaLima Province 845.4×
- 3San Francisco De BorjaLima region 784.7×
- 4CallaoCallao 774.6×
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+
The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). 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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