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Air quality in San Marino

Air quality index (AQI⁺) and PM2.5 air pollution in San Marino • 23:47, Jul 09

2025 country air quality average

How polluted is San Marino?

IQAir exclamation icon

In 2025 in San Marino, the annual PM2.5 concentration was 1.9 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 San Marino

Pakistan

231,402,117

159

2
The national flag of San Marino

Bangladesh

169,356,251

158

3
The national flag of San Marino

Tajikistan

9,750,064

152

4
The national flag of San Marino

Chad

17,179,740

146

5
The national flag of San Marino

Democratic Republic of the Congo

95,894,118

137

6
The national flag of San Marino

India

1,407,563,842

134

7
The national flag of San Marino

Kuwait

4,250,114

126

8
The national flag of San Marino

Uganda

45,853,778

119

9
The national flag of San Marino

Egypt

109,262,178

114

10
The national flag of San Marino

Uzbekistan

34,915,100

107

97
The national flag of San Marino

San Marino

31,477

52

Worldwide PM2.5 ranking

2025 San Marino global rank in air pollution

97/143

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