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Air quality in Portugal

Air quality index (AQI⁺) and PM2.5 air pollution in Portugal • 11:05, Apr 17

Live most polluted city ranking

Real-time Portugal most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Portugal

Lisbon

54

2025 Portugal most polluted city

Valongo, Porto

60

Live cleanest city ranking

Real-time Portugal cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Portugal

Lisbon

54

2025 Portugal cleanest city

Faro, Faro

15

2025 country air quality average

How polluted is Portugal?

IQAir exclamation icon

PM2.5 concentration is currently 1.6 times the World Health Organization annual PM2.5 guideline value.

2025 AQI⁺ country ranking

Which country had the worst air quality in 2025?

#CountryPopulationAQI⁺ US
1
The national flag of Portugal

Pakistan

231,402,117

159

2
The national flag of Portugal

Bangladesh

169,356,251

158

3
The national flag of Portugal

Tajikistan

9,750,064

152

4
The national flag of Portugal

Chad

17,179,740

146

5
The national flag of Portugal

Democratic Republic of the Congo

95,894,118

137

6
The national flag of Portugal

India

1,407,563,842

134

7
The national flag of Portugal

Kuwait

4,250,114

126

8
The national flag of Portugal

Uganda

45,853,778

119

9
The national flag of Portugal

Egypt

109,262,178

114

10
The national flag of Portugal

Uzbekistan

34,915,100

107

114
The national flag of Portugal

Portugal

10,325,147

44

Worldwide PM2.5 ranking

2025 Portugal global rank in air pollution

114/143

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Which is the most polluted state in Portugal?