SmogRank / World / France / Provence-Alpes-Côte d'Azur / September 2025
Most polluted cities in Provence-Alpes-Côte d'Azur, France, September 2025
10 cities in Provence-Alpes-Côte d'Azur, France ranked by their average PM2.5 over the 30 days. Worst: Nice at 6.0 µg/m³, #2,043 of 3,052 cities in the world. Cleanest: Auriol at 3.7. 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.
- 1Nice 0%
- 2Marseille 0%
- 3Arles 0%
- 4Marignane 0%
- 4Cannes 0%
- 4Aix-en-Provence 0%
- 7Contes 0%
- 8Avignon 0%
- 9Salon-de-Provence 0%
- 10Auriol 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 Provence-Alpes-Côte d'Azur, France, PM2.5, September 2025, smogrank.com/fr/region/provence-alpes-cote-d-azur/history/2025-09 (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.