Toggle navigation
Places
AQI (China)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
English
Français
Deutsch
日本語
한국어
简体中文
繁體中文
Europe
Germany
North Rhine-Westphalia
Cologne
Chorweiler
AQI (China)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Chorweiler
Cologne, Kreisfreie Stadt Köln
2025-01-11 03:00
AQI (China)
Excellent
Pollutants
|
Pollens
PM2.5
μg/m³
23.5
PM10
μg/m³
19.6
O3
μg/m³
31
NO2
μg/m³
16.6
Alder
0
Ragweed
0
Mugwort
0
Birch
0
Olive Tree
0
Grasses
0
Weather
℃
℃
℉
1℃
91%
6 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (China)
AQI (China)
Allergy Risk
PM2.5
PM10
O3
NO2
Alder
Ragweed
Mugwort
Birch
Olive Tree
Grasses
Places included
Köln-Chorweiler
AQI 14
Köln-Chorweiler
AQI 34
Site 56139
AQI 44
Data Sources
https://www.eea.europa.eu
http://www.umweltbundesamt.de/
http://www.polleninfo.org
Get the App
Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.
iPhone, iPad
Android
Scan QR Code to Download App
iOS
Google Play
Download APK
Cities Nearby
Pulheim
AQI 34
Monheim am Rhein
AQI 34
Dormagen
AQI 42
Leverkusen
AQI 35
Langenfeld
AQI 35
Cologne
AQI 33
Leichlingen
AQI 35
Rommerskirchen
AQI 38
Frechen
AQI 27
Hilden
AQI 50
Hürth
AQI 27
Air Matters © 2025