Toggle navigation
Places
AQI (India)
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 (India)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Chorweiler
Cologne, Kreisfreie Stadt Köln
2025-12-10 13:00
AQI (India)
Good
Pollutants
|
Pollens
NO2
μg/m³
31.9
PM2.5
μg/m³
5.5
PM10
μg/m³
8.8
O3
μg/m³
7.2
Alder
0
Ragweed
0
Mugwort
0
Birch
0
Olive Tree
0
Grasses
0
Weather
℃
℃
℉
14℃
81%
15 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (India)
AQI (India)
Allergy Risk
NO2
PM2.5
PM10
O3
Alder
Ragweed
Mugwort
Birch
Olive Tree
Grasses
Places included
Köln-Chorweiler
AQI 44
Köln-Chorweiler
AQI 37
Data Sources
http://www.polleninfo.org
https://www.eea.europa.eu
http://www.umweltbundesamt.de/
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 10
Monheim am Rhein
AQI 11
Dormagen
AQI 13
Leverkusen
AQI 35
Langenfeld
AQI 11
Cologne
AQI 36
Leichlingen
AQI 11
Rommerskirchen
AQI 14
Frechen
AQI 7
Hilden
AQI 14
Hürth
AQI 24
Air Matters © 2025