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
Rhein-Sieg-Kreis
Troisdorf
Bergheim
AQI (India)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Bergheim
Troisdorf, Rhein-Sieg-Kreis
2026-05-27 08:00
AQI (India)
Good
Pollutants
|
Pollens
PM10
μg/m³
31.7
PM2.5
μg/m³
13
Grasses
12.0
Olive Tree
4.1
Alder
0
Ragweed
0
Mugwort
0
Birch
0
Weather
℃
℃
℉
27℃
48%
15 kph
7 of 11
Historical Data
Hourly
Hourly
Daily
AQI (India)
AQI (India)
Allergy Risk
PM10
PM2.5
Grasses
Olive Tree
Alder
Ragweed
Mugwort
Birch
Places included
Site 5845
AQI 2
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
Bonn
AQI 32
Troisdorf
AQI 32
Niederkassel
AQI 32
Sankt Augustin
AQI 32
Alfter
AQI 32
Bornheim
AQI 29
Siegburg
AQI 32
Wesseling
AQI 32
Lohmar
AQI 30
Königswinter
AQI 32
Brühl
AQI 29
Air Matters © 2026