SmogRank / World / Brazil / Paraná / February 2025
Most polluted cities in Paraná, Brazil, February 2025
9 cities in Paraná, Brazil ranked by their average PM2.5 over the 28 days. Worst: Francisco Beltrão at 14.6 µg/m³, #885 of 2,611 cities in the world. Cleanest: União da Vitória at 6.9. A city needs measurements on 70% of the days to be ranked.
- 1Francisco Beltrão 61
- 2Colombo 57
- 3Foz do Iguaçu 55
- 4Guarapuava 54
- 5Paranaguá 53
- 6Araucária 52
- 7Ponta Grossa 49
- 8Curitiba 46
- 9União da Vitória 38
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 Paraná, Brazil by mean PM2.5 (µg/m³), February 2025: each city's mean of its daily means, cities measured on 20 or more of the 28 days. Monitor data from national networks via OpenAQ and the publishers listed at smogrank.com/sources. smogrank.com/br/region/parana/history/2025-02 (accessed 11 Oct 2026). Some readings from Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); RMCAB (Secretaría Distrital de Ambiente, Bogotá); Love My Air (City and County of Denver), no reuse terms published.
You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.