SmogRank / World / Peru / January 2024

Most polluted cities in Peru, January 2024

5 cities in Peru ranked by their average PM2.5 over the 31 days. Worst: Callao at 29.7 µg/m³, #76 of 1,960 cities in the world. Cleanest: San Francisco De Borja at 12.8. A city needs measurements on 70% of the days to be ranked.

← Callao 29.7
Every city in Peru ranked for January 2024, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1CallaoCallao
    89
  2. 2LimaLima Province
    85
  3. 3Santa Anita - Los FicusLima region
    79
  4. 4Villa Poeta José Gálvez BarrenecheaLima region
    61
  5. 5San Francisco De BorjaLima region
    58
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, January 2024 · Peru now

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SmogRank, most polluted cities in Peru, PM2.5, January 2024, smogrank.com/pe/history/2024-01 (accessed 2 Oct 2026).

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