Real-time air quality rankings for 10 cities across Costa Rica, updated hourly. Browse the cleanest cities in Costa Rica ranked by AQI.
Best Air Quality in Costa Rica
The city with the best air quality in Costa Rica is San Isidro (AQI 35), followed by Limón (AQI 38), Puntarenas (AQI 45), Liberia (AQI 48). Currently, 4 out of 10 monitored cities in Costa Rica report Good air quality with an AQI below 50.
San Isidro
Costa Rica
AQI
Limón
Costa Rica
AQI
Puntarenas
Costa Rica
AQI
Liberia
Costa Rica
AQI
Alajuela
Costa Rica
AQI
San Vicente
Costa Rica
AQI
San José
Costa Rica
AQI
Curridabat
Costa Rica
AQI
San Vicente de Moravia
Costa Rica
AQI
Paraíso
Costa Rica
AQI
Understanding Air Quality Index
Good
Air quality is satisfactory, and air pollution poses little or no risk.
Moderate
Air quality is acceptable. However, there may be a risk for some people.
Unhealthy for Sensitive Groups
Members of sensitive groups may experience health effects.
Unhealthy
Everyone may begin to experience health effects.
Very Unhealthy
Health alert: everyone may experience more serious health effects.
Hazardous
Health warnings of emergency conditions. The entire population is likely to be affected.
The Air Quality Index (AQI) is a scale from 0 to 500 that measures air pollution levels. Poor air quality can cause respiratory issues, cardiovascular problems, and other health concerns. Rankings are updated hourly to help you stay informed.
Source: US EPA Air Quality Index
Last updated: 08 May 16:23