Air pollution (PM2.5) in Costa Rica

20.3

µg of dust per m³ of air · 2024

83rd highest of 240 countries

In 2014: 18.7

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Nearby in the ranking

  1. Bulgaria 20.6
  2. Nicaragua 20.5
  3. Israel 20.4
  4. Costa Rica 20.3
  5. Côte d'Ivoire 20.2
  6. Ethiopia 20.2
  7. Sierra Leone 20.2

More about Costa Rica

Air pollution (PM2.5) in every country

About the data

Annual population-weighted average concentration of fine particulate matter (PM2.5) in the air, measured in micrograms per cubic meter (µg/m³). Fine particulate matter (PM2.5) are particles with a diameter of 2.5 micrometers or less, which can pose significant health risks.

Unit
µg of dust per m³ of air
Years
1998–2024
Data as of
2026-09-28
Source
Our World in Data
License
CC BY 4.0
Credit
Our World in Data; SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data. CC BY 4.0