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
Rhineland-Palatinate
Mayen-Koblenz
Mayen
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Mayen
Mayen-Koblenz, Rhineland-Palatinate
2025-09-10 20:00
AQI (US)
Moderate
55
Pollutants
|
Pollens
PM2.5
μg/m³
11.1
PM10
μg/m³
15
Ragweed
3.0
Mugwort
3.0
Grasses
3.0
Alder
0
Birch
0
Olive Tree
0
Weather
℃
℃
℉
18℃
76%
7 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Allergy Risk
PM2.5
PM10
Ragweed
Mugwort
Grasses
Alder
Birch
Olive Tree
Data Sources
http://www.polleninfo.org
https://www.eea.europa.eu
http://www.umweltbundesamt.de/
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
PM2.5
PM10
O3
NO2
CO
SO2
6
48
13
11
18
24
12
6
19
28
9
43
24
11
56
16
10
50
26
14
36
24
25
45
30
20
42
16
17
18
30
47
8
77
16
24
36
30
19
77
13
5
18
26
11
29
13
17
25
24
13
25
13
18
36
24
47
59
29
16
45
24
47
62
14
3
42
47
13
84
16
13
13
19
18
17
14
6
56
30
20
49
16
13
18
24
11
3
34
24
17
69
30
9
21
14
17
36
30
13
33
13
11
13
24
47
39
+
−
Leaflet
| ©
OpenStreetMap
contributors
Cities Nearby
Mayen
AQI 55
Ettringen
AQI 55
Sankt Johann
AQI 55
Kottenheim
AQI 55
Thür
AQI 55
Reudelsterz
AQI 55
Kehrig
AQI 55
Monreal
AQI 55
Mendig
AQI 55
Welling
AQI 55
Einig
AQI 55
Air Matters © 2025