SmogRank / World / Germany / North Rhine-Westphalia / November 2023
Most polluted cities in North Rhine-Westphalia, Germany, November 2023
31 cities in North Rhine-Westphalia, Germany ranked by their average PM2.5 over the 30 days. Worst: Datteln at 9.5 µg/m³, #718 of 2,194 cities in the world. Cleanest: Netphen at 3.1. 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.
- 1Datteln 0%
- 2Krefeld 0%
- 3Unna 0%
- 4Gelsenkirchen 0%
- 5Bottrop 0%
- 6Duisburg 0%
- 7Oberhausen 0%
- 8Borken 0%
- 9Düsseldorf 0%
- 10Hagen 0%
- 11Wuppertal 0%
- 11Münster 0%
- 11Dortmund 0%
- 14Ratingen 0%
- 14Leverkusen 0%
- 14Köln 0%
- 14Essen 0%
- 18Kaldenkirchen 0%
- 18Bergheim 0%
- 20Lüdenscheid 0%
- 20Bielefeld 0%
- 22Hattingen 0%
- 23Titz 0%
- 23Niederzier 0%
- 25Schwerte 0%
- 26Aachen 0%
- 27Mönchengladbach 0%
- 28Bonn 0%
- 29Soest 0%
- 30Warstein 0%
- 31Netphen 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 North Rhine-Westphalia, Germany, PM2.5, November 2023, smogrank.com/de/region/north-rhine-westphalia/history/2023-11 (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.