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Air quality in Costa Rica

Air quality index (AQI⁺) and PM2.5 air pollution in Costa Rica • 05:49, Sep 13

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
Costa Rica's country flag

San Jose

53

2024 Costa Rica most polluted city

Pital, Alajuela

46

Live cleanest city ranking

Real-time Costa Rica cleanest city ranking

#CitiesAQI⁺ US
1
Costa Rica's country flag

San Jose

53

2024 Costa Rica cleanest city

Aguas Zarcas, Alajuela

38

2024 country air quality average

How polluted is Costa Rica?

IQAir exclamation icon

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
Costa Rica's country flag

Chad

17,179,740

176

2
Costa Rica's country flag

Bangladesh

169,356,251

167

3
Costa Rica's country flag

Pakistan

231,402,117

164

4
Costa Rica's country flag

Democratic Republic of the Congo

95,894,118

153

5
Costa Rica's country flag

India

1,407,563,842

138

6
Costa Rica's country flag

Tajikistan

9,750,064

128

7
Costa Rica's country flag

Nepal

30,034,989

119

8
Costa Rica's country flag

Uganda

45,853,778

115

9
Costa Rica's country flag

Rwanda

13,461,888

114

10
Costa Rica's country flag

Burundi

14,047,800

113

117
Costa Rica's country flag

Costa Rica

5,153,957

39

Worldwide PM2.5 ranking

2024 Costa Rica global rank in air pollution

117/138

Wildfire in mountains
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Wildfire Map Spotlight: Lower Sugarloaf Fire, Washington

Smoky skies over a forest
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Wildfire Map Spotlight: Rattlesnake and Lynx Mountain Fires, Washington

Widlfire on the mountains
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Wildfire Map Spotlight: Black Rock Fire, Oregon

Which is the most polluted state in Costa Rica?