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
Portugal
Lisbon
Sintra
AQI (China)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Sintra
Lisbon
2025-03-11 20:00
AQI (China)
Excellent
Pollutants
|
Pollens
O3
μg/m³
86.5
PM10
μg/m³
13
NO2
μg/m³
9.8
PM2.5
μg/m³
2
SO2
μg/m³
2.1
Grasses
0.5
Alder
0.4
Ragweed
0
Mugwort
0
Birch
0
Olive Tree
0
Weather
℃
℃
℉
11℃
80%
19 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (China)
AQI (China)
Allergy Risk
O3
PM10
NO2
PM2.5
SO2
Grasses
Alder
Ragweed
Mugwort
Birch
Olive Tree
Places included
Algueirão
AQI 28
Colares
AQI 13
Terrugem
AQI 13
União das freguesias de Sintra (Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim)
AQI 13
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
Sintra
AQI 13
Algueirão–Mem Martins
AQI 28
Terrugem
AQI 13
Colares
AQI 13
Cascais
AQI 28
Oeiras
AQI 27
Carcavelos
AQI 19
Amadora
AQI 23
Ramada
AQI 15
Odivelas
AQI 10
Loures
AQI 23
Air Matters © 2025