SmogRank / World / Peru / Lima region / September 2024
Most people breathing unhealthy air in Lima region, Peru, September 2024
2 cities in Lima region, Peru measured at 2 or more places, ranked by how many people breathed unhealthy air on an average day over the 30 days. The most people breathing unhealthy air: Santa Anita - Los Ficus, Peru, about 43.1K on an average day. A city needs measurements on 70% of the days to be ranked.
About 53.6K people in these 2 cities breathed unhealthy air on an average day of September 2024.
Ranked by people: each city's population times its share of unhealthy days, those with a daily mean over 35.4 µg/m³ (US AQI 101+). That is how many people living there breathed unhealthy air on an average day. Only cities measured at 2 or more places at least 3 km apart are ranked: one monitor shouldn't speak for a whole city. Population is the city itself, not its wider metro area.
- 1Santa Anita - Los Ficus 43.1K
- 2San Francisco De Borja 10.5K
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
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SmogRank, most polluted cities in Lima region, Peru, by people breathing unhealthy air, PM2.5, September 2024, smogrank.com/pe/region/lima-region/history/2024-09?by=people (accessed 7 Oct 2026).
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