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
Rhein-Sieg-Kreis
Much
AQI (China)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Much
Rhein-Sieg-Kreis, Cologne
2026-06-13 18:00
AQI (China)
Excellent
Pollutants
|
Pollens
O3
μg/m³
49.4
PM10
μg/m³
8.8
PM2.5
μg/m³
3.5
NO2
μg/m³
2.8
CO
μg/m³
69.7
SO2
μg/m³
0.2
Grasses
12.0
Alder
0
Ragweed
0
Mugwort
0
Birch
0
Olive Tree
0
Weather
℃
℃
℉
18℃
61%
17 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (China)
AQI (China)
Allergy Risk
O3
PM10
PM2.5
NO2
CO
SO2
Grasses
Alder
Ragweed
Mugwort
Birch
Olive Tree
Places included
Site 72176
AQI 8
Data Sources
http://www.polleninfo.org
https://sensor.community/
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
Much
AQI 16
Neunkirchen-Seelscheid
AQI 23
Ruppichteroth
AQI 26
Overath
AQI 14
Engelskirchen
AQI 9
Nümbrecht
AQI 18
Wiehl
AQI 18
Lindlar
AQI 9
Lohmar
AQI 10
Rösrath
AQI 11
Eitorf
AQI 26
Air Matters © 2026