SmogRank / Countries / Peru / October 2025

Most polluted cities in Peru, October 2025

5 cities in Peru ranked by their average PM2.5 over the 31 days. Worst: Santa Anita - Los Ficus at 33.7 µg/m³, #144 of 2,110 cities in the world. Cleanest: Callao at 22.4. A city needs measurements on 70% of the days to be ranked.

  1. 1Santa Anita - Los FicusLima region
    33.7
  2. 2Villa Poeta José Gálvez BarrenecheaLima region
    29.5
  3. 3LimaLima Province
    26.5
  4. 4San Francisco De BorjaLima region
    23.5
  5. 5CallaoCallao
    22.4
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

All cities in the world, October 2025 · Peru now

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SmogRank, most polluted cities in Peru, PM2.5, October 2025, smogrank.com/pe/history/2025-10 (accessed 2 Oct 2026).

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