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
Heidekreis
Walsrode
Allertal
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Allertal
Walsrode, Lower Saxony
2025-03-26 06:00
AQI (US)
Good
34
Pollutants
|
Pollens
PM10
μg/m³
36
O3
μg/m³
63
NO2
μg/m³
8
Alder
3.0
Birch
3.0
Ragweed
0
Mugwort
0
Olive Tree
0
Grasses
0
Weather
℃
℃
℉
7℃
95%
11 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Allergy Risk
PM10
O3
NO2
Alder
Birch
Ragweed
Mugwort
Olive Tree
Grasses
Data Sources
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
Allergierisiko
Allergierisiko
AQI
PM2.5
O3
PM10
NO2
SO2
CO
Erle
Birke
Gräser
Ragweed
Beifuß
Olivenbaum
4.7
5.4
4.4
7.9
10.4
10.3
9.6
10.2
8.2
11.1
3.7
3.0
10.4
9.0
8.6
11.4
7.8
7.6
10.6
5.4
3.9
3.0
7.3
9.3
10.0
10.0
10.0
4.0
6.0
9.0
7.2
8.6
12.0
12.0
11.6
9.8
10.0
12.0
4.6
3.0
3.8
6.0
12.0
12.0
12.0
10.4
9.2
8.3
6.2
5.6
6.0
12.0
11.4
12.0
9.4
12.0
5.1
5.5
3.2
8.5
11.7
8.0
6.5
12.0
10.5
6.7
4.1
9.0
3.3
8.8
9.8
8.8
10.2
10.1
12.0
7.5
6.0
9.0
3.4
9.0
12.0
9.6
8.5
9.5
8.6
11.7
4.4
5.0
4.7
3.8
6.1
9.8
10.4
+
−
Leaflet
| ©
OpenStreetMap
contributors
Cities Nearby
Walsrode
AQI 34
Bad Fallingbostel
AQI 34
Hodenhagen
AQI 34
Bomlitz
AQI 34
Ahlden (Aller)
AQI 34
Böhme
AQI 34
Eickeloh
AQI 34
Grethem
AQI 34
Hademstorf
AQI 34
Gilten
AQI 34
Frankenfeld
AQI 34
Air Matters © 2025