Primary Pollutant

Aqi Boy Image

Last Updated: 2 hours ago

21

(AQI-IN)

33

(AQI-US)

Aqi Boy Image Aqi Boy Image Aqi Boy Image

Pollutants

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Pm 2.5 icon
7 (PM 2.5)
Pm 10 icon
14 (PM 10)
Sulphur Dioxide Icon
1 (SO2)
Ozone icon
15 (Ozone)
Nitrogen Dioxide Icon
4 (NO2)
Air Pollution Level in Portugal
LOCATIONS Status AQI AQI-US AQI-IN PM2.5 PM10 Temp Humid
Aveiro GOOD 13 13 10 3 8 15 48
Castelo Branco GOOD 21 21 15 5 15 11 98
Evora GOOD 4 4 4 0 0 23 53
Faro GOOD 24 24 25 4 16 24 40
Leiria MODERATE 53 53 22 13 19 21 94
Lisboa GOOD 50 50 24 13 22 20 92
Madeira GOOD 34 34 37 7 16 20 80
Santarem MODERATE 55 55 23 14 17 19 99
Setubal GOOD 30 30 20 5 11 20 90
Viana Do Castelo GOOD 16 16 17 3 9 21 72
Vila Real MODERATE 59 59 27 16 23 15 94
Big Cities of Portugal


Historical Data

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Best

Oct 1, 2020

Worst

Oct 1, 2020

0

Historic air quality index graph of Portugal





How do we calculate Air Quality Index ?

Air Quality Index (AQI) is a numerical value indicative of the aggregate levels of major pollutants in the ambient air. The more the AQI value, the more polluted the ambient air. It is descriptive of the magnitude of air pollution at a particular location.


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FAQs

(Frequently Asked Questions)


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The real-time AQI in Portugal is 59 (GOOD). This reading was last taken 2 hours ago .

The current concentration of PM2.5 in Portugal is 16 (µg/m³). The World Health Organisation (WHO) recommends 25 µg/m³ 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.