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
North Rhine-Westphalia
Düsseldorf
Viersen
Willich
Neersen
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Neersen
Willich, Viersen
2026-04-03 23:00
AQI (US)
Good
Pollutants
|
Pollens
PM2.5
μg/m³
3.7
PM10
μg/m³
4.8
Birch
12.0
Alder
3.0
Ragweed
0
Mugwort
0
Olive Tree
0
Grasses
0
Weather
℃
℃
℉
12℃
87%
18 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
Places included
Site 4700
AQI 11
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
Cities Nearby
Willich
AQI 22
Viersen
AQI 22
Korschenbroich
AQI 21
Mönchengladbach
AQI 28
Tönisvorst
AQI 26
Kaarst
AQI 24
Krefeld
AQI 28
Kempen
AQI 26
Grefrath
AQI 24
Schwalmtal
AQI 21
Meerbusch
AQI 23
Air Matters © 2026