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
Portugal
Viana do Castelo District
AQI (India)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Viana do Castelo District
Portugal
2026-06-18 10:00
AQI (India)
Good
Pollutants
|
Pollens
PM10
μg/m³
28.5
PM2.5
μg/m³
14
Grasses
7.0
Olive Tree
1.6
Alder
0
Ragweed
0
Mugwort
0
Birch
0
Weather
℃
℃
℉
22℃
71%
17 kph
8 of 11
Historical Data
Hourly
Hourly
Daily
AQI (India)
AQI (India)
Allergy Risk
PM10
PM2.5
Grasses
Olive Tree
Alder
Ragweed
Mugwort
Birch
Places included
Ponte de Lima
AQI 22
Valença
AQI 35
Viana do Castelo
AQI 25
Data Sources
http://www.polleninfo.org
http://qualar.apambiente.pt/
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
Viana do Castelo
AQI 25
Panóias
AQI 22
Argivai
AQI 6
Braga
AQI 30
Valença
AQI 35
Mindelo
AQI 52
Burgães
AQI 33
Vila Nova da Telha
AQI 23
Moreira
AQI 49
Guimaraes
AQI 36
Perafita
AQI 21
Air Matters © 2026