WorldArrow iconUruguay

Air quality in Uruguay

Air quality index (AQI⁺) and PM2.5 air pollution in Uruguay • 19:54, Jul 09

Live most polluted city ranking

Real-time Uruguay most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Uruguay

Montevideo

108

2025 Uruguay most polluted city

Montevideo, Montevideo

55

Live cleanest city ranking

Real-time Uruguay cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Uruguay

Montevideo

108

2025 Uruguay cleanest city

Montevideo, Montevideo

55

2025 country air quality average

How polluted is Uruguay?

IQAir exclamation icon

In 2025 in Uruguay, the annual PM2.5 concentration was 2.3 times the WHO annual PM2.5 guideline.

2025 AQI⁺ country ranking

Which country had the worst air quality in 2025?

#CountryPopulationAQI⁺ US
1
The national flag of Uruguay

Pakistan

231,402,117

159

2
The national flag of Uruguay

Bangladesh

169,356,251

158

3
The national flag of Uruguay

Tajikistan

9,750,064

152

4
The national flag of Uruguay

Chad

17,179,740

146

5
The national flag of Uruguay

Democratic Republic of the Congo

95,894,118

137

6
The national flag of Uruguay

India

1,407,563,842

134

7
The national flag of Uruguay

Kuwait

4,250,114

126

8
The national flag of Uruguay

Uganda

45,853,778

119

9
The national flag of Uruguay

Egypt

109,262,178

114

10
The national flag of Uruguay

Uzbekistan

34,915,100

107

87
The national flag of Uruguay

Uruguay

3,426,260

55

Worldwide PM2.5 ranking

2025 Uruguay global rank in air pollution

87/143

external link icon

Heatwave Map Spotlight: Europe

Huge wildfire
external link icon

Wildfire Map Spotlight: Snyder, Babylon, Ferris, and Gold Mountain Fires in Colorado and Utah

external link icon

Wildfire Map Spotlight: Dutch Flat Fire, Nevada

Which is the most polluted state in Uruguay?