SmogRank / World / Germany / North Rhine-Westphalia / July 2024
Most polluted cities in North Rhine-Westphalia, Germany, July 2024
34 cities in North Rhine-Westphalia, Germany ranked by their average PM2.5 over the 31 days. Worst: Krefeld at 9.0 µg/m³, #983 of 2,519 cities in the world. Cleanest: Netphen at 4.5. 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.
- 1Krefeld 0%
- 2Gelsenkirchen 0%
- 3Oberhausen 0%
- 4Unna 0%
- 5Bottrop 0%
- 6Hagen 0%
- 7Dortmund 0%
- 8Duisburg 0%
- 9Mönchengladbach 0%
- 10Jüchen 0%
- 11Niederzier 0%
- 11Datteln 0%
- 11Bergheim 0%
- 14Wuppertal 0%
- 14Warstein 0%
- 14Köln 0%
- 14Düsseldorf 0%
- 14Borken 0%
- 19Kaldenkirchen 0%
- 20Münster 0%
- 21Wesel 0%
- 21Essen 0%
- 23Lüdenscheid 0%
- 24Titz 0%
- 24Ratingen 0%
- 26Sinnersdorf 0%
- 26Bonn 0%
- 28Soest 0%
- 28Leverkusen 0%
- 28Hattingen 0%
- 31Bielefeld 0%
- 32Aachen 0%
- 33Schwerte 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
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SmogRank, most polluted cities in North Rhine-Westphalia, Germany, PM2.5, July 2024, smogrank.com/de/region/north-rhine-westphalia/history/2024-07 (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.