Air pollution (PM2.5) by country

Tiny dust in the air, as a yearly average. WHO says under 5 is safe.. The map opens on 2024, with figures for 240 countries.

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Highest in 2024

  1. Qatar 75.5
  2. Bangladesh 65.0
  3. Kuwait 57.3
  4. United Arab Emirates 55.7
  5. Pakistan 53.8

Lowest in 2024

  1. Greenland 1.1
  2. N. Mariana Is. 1.5
  3. Guam 1.9
  4. Micronesia 2.3
  5. Marshall Is. 2.8

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

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