SmogRank / World / Germany / North Rhine-Westphalia / December 2024
Most polluted cities in North Rhine-Westphalia, Germany, December 2024
34 cities in North Rhine-Westphalia, Germany ranked by their average PM2.5 over the 31 days. Worst: Bottrop at 11.4 µg/m³, #721 of 2,573 cities in the world. Cleanest: Netphen at 3.0. 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.
- 1Bottrop 0%
- 2Gelsenkirchen 0%
- 2Datteln 0%
- 4Krefeld 0%
- 5Oberhausen 0%
- 6Unna 0%
- 6Münster 0%
- 6Duisburg 0%
- 9Borken 0%
- 10Ratingen 0%
- 10Düsseldorf 0%
- 12Dortmund 0%
- 13Essen 0%
- 14Kaldenkirchen 0%
- 15Wuppertal 0%
- 15Wesel 0%
- 17Mönchengladbach 0%
- 17Bergheim 0%
- 19Hagen 0%
- 20Leverkusen 0%
- 21Sinnersdorf 0%
- 21Niederzier 0%
- 21Jüchen 0%
- 21Bielefeld 0%
- 25Köln 0%
- 26Titz 0%
- 26Hattingen 0%
- 28Bonn 0%
- 29Warstein 0%
- 29Lüdenscheid 0%
- 31Aachen 0%
- 32Schwerte 0%
- 33Soest 0%
- 34Netphen 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
All cities in the world, December 2024 · All cities in Germany, December 2024 · North Rhine-Westphalia now
Use this board
SmogRank, most polluted cities in North Rhine-Westphalia, Germany, PM2.5, December 2024, smogrank.com/de/region/north-rhine-westphalia/history/2024-12 (accessed 6 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.