SmogRank / Countries / Peru / May 2025

Most polluted cities in Peru, May 2025

3 cities in Peru ranked by their average PM2.5 over the 31 days. Worst: Santa Anita - Los Ficus at 70.4 µg/m³, #3 of 2,193 cities in the world. Cleanest: San Francisco De Borja at 32.6. A city needs measurements on 70% of the days to be ranked.

  1. 1Santa Anita - Los FicusLima region
    70.4
  2. 2CallaoCallao
    34.6
  3. 3San Francisco De BorjaLima region
    32.6
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, May 2025 · Peru now

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SmogRank, most polluted cities in Peru, PM2.5, May 2025, smogrank.com/pe/history/2025-05 (accessed 2 Oct 2026).

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