Cameroon vs Iraq: Exposure to outdoor air pollution
Cameroon
51.5 µg/m³
in 2024
Iraq
48.8 µg/m³
in 2024
Cameroon rank
6th
Iraq rank
9th
Exposure to outdoor air pollution over time
- Cameroon
- Iraq
How they compare
Cameroon currently reports 51.5 µg/m³ against 48.8 µg/m³ in Iraq, a difference of 2.7 µg/m³.
That makes Cameroon's figure about 1.1 times Iraq's.
The two have swapped places 6 times across 27 shared years of data; in 1998 it was Cameroon ahead.
Cameroon ranks 6th and Iraq ranks 9th of 241 countries.
Cameroon has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Cameroon | Iraq | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 49.35 µg/m³ | 38.2 µg/m³ | 11.15 µg/m³ | Cameroon |
| 2000s | 49.92 µg/m³ | 46.34 µg/m³ | 3.58 µg/m³ | Cameroon |
| 2010s | 52.21 µg/m³ | 48.98 µg/m³ | 3.23 µg/m³ | Cameroon |
| 2020s | 51.04 µg/m³ | 49.1 µg/m³ | 1.94 µg/m³ | Cameroon |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher exposure to outdoor air pollution, Cameroon or Iraq?
- Cameroon, at 51.5 µg/m³ against 48.8 µg/m³ in Iraq as of 2024.
- What is the difference in exposure to outdoor air pollution between Cameroon and Iraq?
- 2.7 µg/m³, with Cameroon ahead.
- How many years of comparable data are there for Cameroon and Iraq?
- 27 years are reported by both, from 1998 to 2024.
- How do Cameroon and Iraq rank globally for exposure to outdoor air pollution?
- Cameroon ranks 6th and Iraq ranks 9th of 241 countries.
- Where does this data come from?
- SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data, published as Exposure to outdoor air pollution. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this 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.