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
Bonn
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Bonn
Kreisfreie Stadt Bonn, Cologne
2025-03-29 05:00
AQI (US)
Moderate
79
Pollutants
|
Pollens
PM2.5
μg/m³
23.9
PM10
μg/m³
25.6
NO2
μg/m³
15.6
Birch
12.0
Alder
3.0
Ragweed
0
Mugwort
0
Olive Tree
0
Grasses
0
Weather
℃
℃
℉
8℃
83%
11 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Allergy Risk
PM2.5
PM10
NO2
Birch
Alder
Ragweed
Mugwort
Olive Tree
Grasses
Places included
Auerberg
AQI 79
Bad Godesberg
AQI 79
Beuel
AQI 79
Bonn-Castell
AQI 79
Endenich
AQI 79
Gronau
AQI 79
Hardtberg
AQI 79
Ippendorf
AQI 79
Kessenich
AQI 79
Nordstadt
AQI 79
Poppelsdorf
AQI 79
Sudstadt
AQI 79
Tannenbusch
AQI 79
Weststadt
AQI 79
Zentrum
AQI 79
Data Sources
http://www.umweltbundesamt.de/
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
AQI
AQI
Rischio allergia
PM2.5
O3
PM10
NO2
Ontano
Betulla
Ambrosia
Artemisia
Olive Tree
Graminacee
5
4
4
3
--
2
4
--
4
4
4
1
4
5
4
4
2
4
3
3
5
1
2
5
2
--
5
4
3
3
3
4
4
2
4
2
5
5
2
2
--
3
2
4
3
3
3
2
4
4
2
4
4
3
4
3
4
2
4
3
3
2
2
2
3
4
2
3
2
2
3
4
3
3
3
3
4
1
3
2
--
2
2
3
1
4
4
4
3
3
2
4
1
3
5
1
2
4
2
--
2
3
3
2
2
4
2
2
1
2
2
2
2
--
3
2
2
4
3
3
2
2
4
4
2
3
4
3
7
2
4
2
3
2
2
2
2
3
4
3
2
2
3
2
3
3
3
3
1
3
2
4
4
1
2
2
4
5
2
3
3
3
5
2
2
4
2
2
3
4
1
3
4
2
+
−
Leaflet
| ©
OpenStreetMap
contributors
Cities Nearby
Bonn
AQI 79
Alfter
AQI 79
Sankt Augustin
AQI 79
Königswinter
AQI 79
Bornheim
AQI 27
Troisdorf
AQI 79
Niederkassel
AQI 71
Siegburg
AQI 79
Wachtberg
AQI 79
Wesseling
AQI 63
Meckenheim
AQI 79
Air Matters © 2025