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
Hesse
Kassel
Helsa
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Helsa
Kassel, Kassel
2025-03-31 20:00
AQI (US)
Good
26
Pollutants
|
Pollens
PM2.5
μg/m³
4.6
PM10
μg/m³
6.9
Birch
9.0
Alder
3.0
Ragweed
0
Mugwort
0
Olive Tree
0
Grasses
0
Weather
℃
℃
℉
6℃
80%
5 kph
0 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
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
Allergy Risk
Allergy Risk
AQI
PM2.5
O3
PM10
NO2
CO
SO2
Birch
Alder
Ragweed
Mugwort
Olive Tree
Grasses
8.9
6.4
7.8
7.3
6.0
4.2
12.0
9.3
6.4
8.7
9.0
9.7
7.5
3.3
9.1
8.1
4.6
10.2
2.9
12.0
8.9
11.2
8.1
5.0
5.2
11.0
5.0
3.2
6.0
8.9
6.0
9.6
10.2
3.8
3.2
8.1
11.5
9.0
3.1
6.0
12.0
5.9
6.0
5.6
4.4
5.8
10.8
12.0
6.2
8.2
12.0
9.2
8.9
9.0
8.2
9.6
9.0
5.8
10.4
12.0
9.0
9.0
5.5
6.2
3.8
9.6
6.4
9.0
12.0
10.0
4.2
6.1
7.3
12.0
7.1
3.4
6.0
12.0
5.8
6.0
3.4
3.4
6.0
12.0
3.4
6.4
12.0
9.6
7.8
9.2
12.0
8.9
3.0
9.0
8.4
6.0
2.8
12.0
9.0
12.0
9.0
4.6
6.5
10.6
6.0
9.0
6.5
7.9
11.8
3.0
+
−
Leaflet
| ©
OpenStreetMap
contributors
Cities Nearby
Helsa
AQI 26
Gutsbezirk Kaufunger Wald
AQI 32
Kaufungen
AQI 37
Nieste
AQI 26
Großalmerode
AQI 26
Hessisch Lichtenau
AQI 26
Söhrewald
AQI 37
Lohfelden
AQI 37
Staufenberg
AQI 37
Witzenhausen
AQI 26
Körle
AQI 37
Air Matters © 2025