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Air quality in Puerto Rico

Air quality index (AQI⁺) and PM2.5 air pollution in Puerto Rico • 11:14, Apr 17

Live most polluted city ranking

Real-time Puerto Rico most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Puerto Rico

San German

17

2
The national flag of Puerto Rico

San Juan

14

2025 Puerto Rico most polluted city

Catano, Catano

50

Live cleanest city ranking

Real-time Puerto Rico cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Puerto Rico

San Juan

14

2
The national flag of Puerto Rico

San German

17

2025 Puerto Rico cleanest city

Puerto Ferro, Vieques

10

2025 country air quality average

How polluted is Puerto Rico?

IQAir Check icon

PM2.5 concentration currently meets 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 Puerto Rico

Pakistan

231,402,117

159

2
The national flag of Puerto Rico

Bangladesh

169,356,251

158

3
The national flag of Puerto Rico

Tajikistan

9,750,064

152

4
The national flag of Puerto Rico

Chad

17,179,740

146

5
The national flag of Puerto Rico

Democratic Republic of the Congo

95,894,118

137

6
The national flag of Puerto Rico

India

1,407,563,842

134

7
The national flag of Puerto Rico

Kuwait

4,250,114

126

8
The national flag of Puerto Rico

Uganda

45,853,778

119

9
The national flag of Puerto Rico

Egypt

109,262,178

114

10
The national flag of Puerto Rico

Uzbekistan

34,915,100

107

142
The national flag of Puerto Rico

Puerto Rico

3,263,584

13

Worldwide PM2.5 ranking

2025 Puerto Rico global rank in air pollution

142/143

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Which is the most polluted state in Puerto Rico?