Toggle navigation
Places
AQI (India)
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
AQI (India)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Viersen
Viersen, Düsseldorf
2026-05-24 00:00
AQI (India)
Good
Pollutants
|
Pollens
PM2.5
μg/m³
10.1
PM10
μg/m³
16.5
Grasses
12.0
Olive Tree
4.3
Alder
0
Ragweed
0
Mugwort
0
Birch
0
Weather
℃
℃
℉
17℃
91%
0 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (India)
AQI (India)
Allergy Risk
PM2.5
PM10
Grasses
Olive Tree
Alder
Ragweed
Mugwort
Birch
Places included
Boisheim
AQI 19
Dülken
AQI 16
Site 20997
AQI 13
Süchteln
AQI 19
Wolfskull
AQI 16
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
Viersen
AQI 17
Tönisvorst
AQI 19
Mönchengladbach
AQI 42
Schwalmtal
AQI 16
Grefrath
AQI 19
Willich
AQI 16
Korschenbroich
AQI 16
Nettetal
AQI 58
Kempen
AQI 19
Niederkrüchten
AQI 19
Wegberg
AQI 16
Air Matters © 2026