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 WHO annual guideline
Every city in Peru ranked for 2025, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1Santa Anita - Los FicusLima region
    966.7×
  2. 2LimaLima Province
    845.4×
  3. 3San Francisco De BorjaLima region
    784.7×
  4. 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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