SmogRank / World / Germany / North Rhine-Westphalia / October 2023
Most polluted cities in North Rhine-Westphalia, Germany, October 2023
No city in North Rhine-Westphalia, Germany had measurements on 70% of the days, so October 2023 has no board for North Rhine-Westphalia, Germany.
Good0–50
Moderate51–100
Sensitive groups101–150
Unhealthy151–200
Very unhealthy201–300
Hazardous301+
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, October 2023 · All cities in Germany, October 2023 · North Rhine-Westphalia now