SmogRank / World / Peru / January 2025

Most polluted cities in Peru, January 2025

4 cities in Peru ranked by their average PM2.5 over the 31 days. Worst: Santa Anita - Los Ficus at 20.0 µg/m³, #281 of 2,121 cities in the world. Cleanest: Callao at 11.3. A city needs measurements on 70% of the days to be ranked.

← Santa Anita - Los Ficus 20.0
Every city in Peru ranked for January 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
    20.0
  2. 2LimaLima Province
    16.9
  3. 3San Francisco De BorjaLima region
    16.2
  4. 4CallaoCallao
    11.3
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, January 2025 · Peru now

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SmogRank, most polluted cities in Peru, PM2.5, January 2025, smogrank.com/pe/history/2025-01 (accessed 2 Oct 2026).

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