Toggle navigation
Places
CAQI (Europe)
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
Siegburg
Wolsdorf
CAQI (Europe)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Wolsdorf
Siegburg, Rhein-Sieg-Kreis
2026-03-06 00:00
CAQI (Europe)
Low
Pollutants
|
Pollens
PM2.5
μg/m³
17.2
PM10
μg/m³
24.4
Alder
12.0
Ragweed
0
Mugwort
0
Birch
0
Olive Tree
0
Grasses
0
Weather
℃
℃
℉
5℃
76%
8 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
CAQI (Europe)
CAQI (Europe)
Allergy Risk
PM2.5
PM10
Alder
Ragweed
Mugwort
Birch
Olive Tree
Grasses
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
Siegburg
AQI 29
Sankt Augustin
AQI 29
Lohmar
AQI 27
Troisdorf
AQI 29
Hennef
AQI 29
Neunkirchen-Seelscheid
AQI 29
Bonn
AQI 35
Königswinter
AQI 29
Rösrath
AQI 26
Niederkassel
AQI 28
Overath
AQI 25
Air Matters © 2026