Toggle navigation
Places
AQI (US)
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
Düren
Aldenhoven
Siersdorf
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Siersdorf
Aldenhoven, Düren
2026-04-10 05:00
AQI (US)
Good
Pollutants
|
Pollens
PM2.5
μg/m³
6.7
PM10
μg/m³
11.2
Birch
12.0
Alder
3.0
Ragweed
0
Mugwort
0
Olive Tree
0
Grasses
0
Weather
℃
℃
℉
8℃
72%
15 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Allergy Risk
PM2.5
PM10
Birch
Alder
Ragweed
Mugwort
Olive Tree
Grasses
Places included
Site 15151
AQI 15
Data Sources
http://www.polleninfo.org
https://www.eea.europa.eu
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
Baesweiler
AQI 21
Aldenhoven
AQI 31
Alsdorf
AQI 38
Übach-Palenberg
AQI 21
Linnich
AQI 29
Eschweiler
AQI 38
Jülich
AQI 29
Herzogenrath
AQI 29
Würselen
AQI 38
Inden
AQI 29
Geilenkirchen
AQI 33
Air Matters © 2026