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
Netherlands
Friesland
Hallum
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Hallum
Noardeast-Fryslân, Friesland
2026-07-26 15:00
AQI (US)
Good
Pollutants
|
Pollens
PM2.5
μg/m³
6.5
O3
μg/m³
41.9
PM10
μg/m³
10.5
NO2
μg/m³
1.4
SO2
μg/m³
0.7
Mugwort
3.0
Grasses
3.0
Alder
0
Ragweed
0
Birch
0
Olive Tree
0
Weather
℃
℃
℉
19℃
88%
35 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
Allergy Risk
PM2.5
O3
PM10
NO2
SO2
Mugwort
Grasses
Alder
Ragweed
Birch
Olive Tree
Places included
Site 41779
AQI 11
Site 57241
AQI 12
Data Sources
http://www.polleninfo.org
https://sensor.community/
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
Cities Nearby
Hallum
AQI 37
Feinsum
AQI 37
Ferwert
AQI 37
Stiens
AQI 43
Oude Bildtzijl
AQI 38
Britsum
AQI 41
Burdaard
AQI 33
Koarnjum
AQI 41
Reitsum
AQI 33
Nij Altoenae
AQI 38
Sint Annaparochie
AQI 43
Air Matters © 2026