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Air quality in Costa Rica

Air quality index (AQI⁺) and PM2.5 air pollution in Costa Rica • 19:50, Jan 29

1 stations sponsored by IQAir Foundation
1 stations sponsored by IQAir Foundation

Live most polluted city ranking

Real-time Costa Rica most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Costa Rica

San Jose

17

2024 Costa Rica most polluted city

Pital, Alajuela

46

Live cleanest city ranking

Real-time Costa Rica cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Costa Rica

San Jose

23

2024 Costa Rica cleanest city

Aguas Zarcas, Alajuela

38

2024 country air quality average

How polluted is Costa Rica?

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PM2.5 concentration is currently 1.4 times the World Health Organization annual PM2.5 guideline value.

2024 AQI⁺ country ranking

Which country had the worst air quality in 2024?

#CountryPopulationAQI⁺ US
1
The national flag of Costa Rica

Chad

17,179,740

176

2
The national flag of Costa Rica

Bangladesh

169,356,251

167

3
The national flag of Costa Rica

Pakistan

231,402,117

164

4
The national flag of Costa Rica

Democratic Republic of the Congo

95,894,118

153

5
The national flag of Costa Rica

India

1,407,563,842

138

6
The national flag of Costa Rica

Tajikistan

9,750,064

128

7
The national flag of Costa Rica

Nepal

30,034,989

119

8
The national flag of Costa Rica

Uganda

45,853,778

115

9
The national flag of Costa Rica

Rwanda

13,461,888

114

10
The national flag of Costa Rica

Burundi

14,047,800

113

117
The national flag of Costa Rica

Costa Rica

5,153,957

39

Worldwide PM2.5 ranking

2024 Costa Rica global rank in air pollution

117/138

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Which is the most polluted state in Costa Rica?