Portugal air quality index (AQI) and PM2.5 air pollution

04:07, Apr 7 (local time)

Good

Moderate

Unhealthy for sensitive groups

Unhealthy

Very unhealthy

Hazardous

Portugal AQI Ranking

US AQI

PM2.5

#MAJOR CITYUS AQI

1

36

2

29

3

29

4

29

5

29

6

25

7

25

8

25

9

25

10

25

SEE WORLD AQI RANKING

Most polluted cities

See a ranking of 2019’s most polluted cities.

Most polluted countries

See a ranking of 2019’s most polluted countries.

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Portugal air pollution by states

Aveiro Açores Braga Braganca Coimbra Faro Leiria Lisbon Madeira Porto Setubal Viana do Castelo Viseu

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