Toggle navigation
Places
AQI (China)
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
Leeuwarden
Koarnjum
AQI (China)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Koarnjum
Leeuwarden, Friesland
2026-06-11 10:00
AQI (China)
Excellent
Pollutants
|
Pollens
O3
μg/m³
61.4
PM10
μg/m³
5
PM2.5
μg/m³
1.1
NO2
μg/m³
1.7
SO2
μg/m³
0
Grasses
9.0
Alder
0
Ragweed
0
Mugwort
0
Birch
0
Olive Tree
0
Weather
℃
℃
℉
17℃
65%
22 kph
6 of 11
Historical Data
Hourly
Hourly
Daily
AQI (China)
AQI (China)
Allergy Risk
O3
PM10
PM2.5
NO2
SO2
Grasses
Alder
Ragweed
Mugwort
Birch
Olive Tree
Places included
Site 71374
AQI 1
Data Sources
https://sensor.community/
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
Cities Nearby
Koarnjum
AQI 20
Britsum
AQI 20
Stiens
AQI 18
Snakkerburen
AQI 20
Feinsum
AQI 20
Leeuwarden
AQI 20
Engelum
AQI 18
Bitgummole
AQI 18
Marsum
AQI 18
Bitgum
AQI 18
Deinum
AQI 19
Air Matters © 2026