Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Costa Rica
Air quality index (AQI) and PM2.5 air pollution in Costa Rica
AIR QUALITY DATA CONTRIBUTORS
2 Contributors
See all
3D animated air pollution map
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
OVERVIEW
How polluted is Costa Rica?
2023 Air quality average
Good
2023 average US AQI
25
!
PM2.5
x1.2
2023 average PM2.5 concentration in Costa Rica: 1.2 times the WHO annual air quality guideline value
| 2023 Costa Rica cleanest city | San Jose , San Jose 25 |
| 2023 Costa Rica most polluted city | San Jose , San Jose 25 |
News
The latest air quality news and resources.
2023 aqi country ranking
How does Costa Rica rank globally in air pollution?
121/134
Which country had the worst air quality in 2023?
| # | COUNTRY | Population | AVG. US |
|---|---|---|---|
| 1 |  Bangladesh | 169,356,251 | 164 |
| 2 |  Pakistan | 231,402,117 | 160 |
| 3 |  India | 1,407,563,842 | 147 |
| 4 |  Tajikistan | 9,750,064 | 134 |
| 5 |  Burkina Faso | 22,100,683 | 128 |
| 6 |  Iraq | 43,533,592 | 121 |
| 7 |  United Arab Emirates | 9,365,145 | 119 |
| 8 |  Nepal | 30,034,989 | 118 |
| 9 |  Egypt | 109,262,178 | 118 |
| 10 |  Democratic Republic of the Congo | 95,894,118 | 114 |
| 121 | Costa Rica | 5,153,957 | 25 |
Costa Rica air quality data attribution
2Contributors
- Maynor Rojas Bolaños
1 station
Top 20 Educational Contributors
- 1 Anonymous contributor
1 station
Anonymous Contributors
Which is the most polluted state in Costa Rica?
AQI US, Metric