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
Aachen
Simmerath
AQI (China)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Simmerath
Aachen, Cologne
2026-08-09 15:00
AQI (China)
Excellent
Pollutants
|
Pollens
O3
μg/m³
110
PM10
μg/m³
14
PM2.5
μg/m³
5
NO2
μg/m³
1
Mugwort
12.0
Grasses
3.0
Alder
0
Ragweed
0
Birch
0
Olive Tree
0
Weather
℃
℃
℉
24℃
37%
3 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (China)
AQI (China)
Allergy Risk
O3
PM10
PM2.5
NO2
Mugwort
Grasses
Alder
Ragweed
Birch
Olive Tree
Places included
Einruhr
AQI 14
Rurberg
AQI 14
Simmerath (Eifel)
AQI 35
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
Simmerath
AQI 35
Monschau
AQI 14
Roetgen
AQI 14
Hürtgenwald
AQI 14
Heimbach
AQI 14
Schleiden
AQI 14
Raeren
AQI 17
Hellenthal
AQI 14
Nideggen
AQI 14
Eupen
AQI 17
Stolberg
AQI 17
Air Matters © 2026