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

08:01, Feb 27 (local time)

Good

Moderate

Unhealthy for sensitive groups

Unhealthy

Very unhealthy

Hazardous

Portugal AQI Ranking

US AQI

PM2.5

#MAJOR CITYUS AQI

1

95

2

46

3

46

4

46

5

38

6

Montemor-o-Velho

38

7

38

8

Vila Nova da Telha

38

9

34

10

34

SEE WORLD AQI RANKING

Most polluted cities

See a ranking of 2019’s most polluted cities.

Most polluted countries

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