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
Lower Saxony
Wittmund
Ostochtersum
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Ostochtersum
Ochtersum, Holtriem
2025-04-06 07:00
AQI (US)
Good
23
Pollutants
|
Pollens
PM2.5
μg/m³
4.1
PM10
μg/m³
12
Birch
6.0
Alder
3.0
Ragweed
0
Mugwort
0
Olive Tree
0
Grasses
0
Weather
℃
℃
℉
8℃
69%
3 kph
1 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Allergy Risk
PM2.5
PM10
Birch
Alder
Ragweed
Mugwort
Olive Tree
Grasses
Data Sources
https://www.eea.europa.eu
http://www.umweltbundesamt.de/
http://www.polleninfo.org
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
O3
PM10
NO2
PM2.5
Betulla
Ontano
Graminacee
Ambrosia
Artemisia
Olive Tree
5
5
1
5
1
4
5
5
2
2
1
1
5
5
4
5
5
1
1
5
1
4
5
5
1
1
2
5
1
1
5
5
4
6
5
1
5
1
5
5
5
1
1
5
5
6
4
5
2
2
5
6
5
5
6
1
5
1
2
5
5
5
6
5
6
5
4
5
5
5
1
5
1
6
4
5
5
5
5
5
5
5
1
1
5
5
1
2
5
2
4
5
+
−
Leaflet
| ©
OpenStreetMap
contributors
Cities Nearby
Ochtersum
AQI 23
Utarp
AQI 23
Schweindorf
AQI 23
Blomberg
AQI 23
Holtgast
AQI 23
Westerholt
AQI 23
Nenndorf
AQI 23
Esens
AQI 23
Eversmeer
AQI 23
Dornum
AQI 23
Dunum
AQI 21
Air Matters © 2025