SmogRank / World / France / Auvergne-Rhône-Alpes / January 2024
Most polluted cities in Auvergne-Rhône-Alpes, France, January 2024
17 cities in Auvergne-Rhône-Alpes, France ranked by their average PM2.5 over the 31 days. Worst: Passy at 22.6 µg/m³, #216 of 2,341 cities in the world. Cleanest: Aurillac at 6.9. A city needs measurements on 70% of the days to be ranked.
Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.
- 1Givors 17%
- 2Passy 14%
- 3Romans-sur-Isère 14%
- 4Lyon 10%
- 5Saint-Étienne 7%
- 6Crolles 7%
- 7Jonage 7%
- 8Saint-Chamond 7%
- 9Bourg-en-Bresse 7%
- 10Clermont-Ferrand 7%
- 11Valence 3%
- 12Grenoble 0%
- 13Chambéry 0%
- 14Albertville 0%
- 15Annemasse 0%
- 16Bellegarde-sur-Valserine 0%
- 17Aurillac 0%
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 Auvergne-Rhône-Alpes, France, PM2.5, January 2024, smogrank.com/fr/region/auvergne-rhone-alpes/history/2024-01 (accessed 7 Oct 2026).
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.