Primary Pollutant


Portugal aqi air quality index status boy

Major Air Pollutants in Portugal

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Portugal pm2.5 icon
17 (PM2.5)
Portugal pm 10 icon
60 (PM10)
Portugal so2 sulphur dioxide icon
1 (SO2)
Portugal o3 ozone icon
41 (Ozone)
Portugal no2 nitrogen dioxide icon
3 (NO2)

PM2.5 1.1X

The current PM2.5 concentration in Portugal is 1.1 times above the recommended limit given by the WHO 24hrs air quality guidelines value.

Portugal - States Air Pollution Level

STATES Status AQI AQI-US AQI-IN PM2.5 PM10 Temp Humid
Aveiro MODERATE 89 89 51 30 33 20 68
Castelo Branco MODERATE 97 97 102 34 103 29 21
Evora POOR 117 117 136 42 154 33 16
Faro GOOD 44 44 48 7 32 24 65
Madeira MODERATE 91 91 118 27 138 23 61
Porto GOOD 38 38 34 8 28 20 76
Setubal GOOD 47 47 46 11 34 26 51
Viana Do Castelo GOOD 21 21 19 5 18 20 78
Vila Real MODERATE 59 59 59 16 59 23 35

Portugal - Metro Cities AQI

13˚C / 89%
18˚C / 60%
15˚C / 72%
11˚C / 100%
28˚C / 30%
26˚C / 74%

Historic Air Quality Graph of Portugal


Oct 1, 2020


Oct 1, 2020


Explore an insightful air pollution data for last 24 hrs & 7 days

FAQs of Portugal's Air Quality

(Frequently Asked Questions)

Some facts about air pollution level in Portugal and what quality of air you breathe in your region.

The current Air Quality Index (AQI) in Portugal is 63 MODERATE air quality. This reading was last taken 3 hours ago .

The current concentration of PM2.5 in Portugal is 16 (µg/m³). The World Health Organisation (WHO) recommends 15 µg/m³ 24 hrs as the threshold concentration of PM2.5. Currently, the concentration is 0.64 times the recommended limit.

Generally, the air quality at Portugal starts deteriorating in late October. The winters are the worst-hit season in terms of air pollution.

You should wear a good N95 mask when you go outdoor in Portugal until the AQI is improving upto moderate range.

Office going people should avoid personal vehicles and use public transportations or carpooling.

(i) The primary causes of outdoor air pollution are solid, liquid particles called aerosols & gase from vehicles emissions, construction activities, factories, burning stubble & fossil fuels and wildfire, etc.

(ii) Main causes of indoor air pollution are harmful gases from cooking fuels (such as wood, crop wastes, charcoal, coal and dung), damp, mould smoke, chemicals from cleaning materials, etc.

Indoor air pollution in Portugal is as dangerous as outdoor pollution, because the air pollutants come inside the houses or buildings through doors, windows and ventilation.

In Portugal, you must use an air purifier or fresh air machine at home or office indoor and close all the doors, windows and ventilations when the outdoor air quality index (aqi) in Portugal is very high. Proper ventilation is highly recommended only when outdoor air quality is improving and moderate AQI range.

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Air Quality Solutions for Portugal

Find out Prana Air's air quality monitors & solutions to fight air pollution in your country.

prana air fresh air machine for Portugal

Keep a track of Portugal air pollution
level on “AQI Air Quality App

Know what you breathe and the quality of air nearby locations. Real-time AQI, map, weather & fire data, health advice with insightful dashboards.

Portugal aqi air quality mobile app