Iraq vs Sierra Leone: Exposure to outdoor air pollution in urban areas

Iraq
40.4 micrograms per cubic meter
in 2023
Sierra Leone
36.9 micrograms per cubic meter
in 2023
Iraq rank
20th
Sierra Leone rank
23rd

Exposure to outdoor air pollution in urban areas over time

  • Iraq
  • Sierra Leone
010203040201020162023

How they compare

Iraq currently reports 40.4 micrograms per cubic meter against 36.9 micrograms per cubic meter in Sierra Leone, a difference of 3.5 micrograms per cubic meter.

That makes Iraq's figure about 1.1 times Sierra Leone's.

Across all 14 years both countries report, Iraq has been ahead every year.

Iraq ranks 20th and Sierra Leone ranks 23rd of 226 countries.

Iraq has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade Iraq Sierra Leone Difference Ahead
2010s 39.34 micrograms per cubic meter 35.23 micrograms per cubic meter 4.12 micrograms per cubic meter Iraq
2020s 40.01 micrograms per cubic meter 35.75 micrograms per cubic meter 4.26 micrograms per cubic meter Iraq

Averages of every year both report within each decade.

Frequently asked questions

Which has higher exposure to outdoor air pollution in urban areas, Iraq or Sierra Leone?
Iraq, at 40.4 micrograms per cubic meter against 36.9 micrograms per cubic meter in Sierra Leone as of 2023.
What is the difference in exposure to outdoor air pollution in urban areas between Iraq and Sierra Leone?
3.5 micrograms per cubic meter, with Iraq ahead.
How many years of comparable data are there for Iraq and Sierra Leone?
14 years are reported by both, from 2010 to 2023.
How do Iraq and Sierra Leone rank globally for exposure to outdoor air pollution in urban areas?
Iraq ranks 20th and Sierra Leone ranks 23rd of 226 countries.
Where does this data come from?
World Health Organization – processed by Our World in Data, published as Exposure to outdoor air pollution in urban areas. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Iraq vs Sierra Leone: Exposure to outdoor air pollution in urban areas. Statizoid, drawing on World Health Organization – processed by Our World in Data. Retrieved 08 September 2026, from https://environment.statizoid.com/compare/exposure-to-outdoor-air-pollution-in-urban-areas/iraq/sierra-leone/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (Our World in Data); please keep the attribution.

<a href="https://environment.statizoid.com/compare/exposure-to-outdoor-air-pollution-in-urban-areas/iraq/sierra-leone/">Iraq vs Sierra Leone: Exposure to outdoor air pollution in urban areas</a> — Statizoid

About this data

Indicator
Exposure to outdoor air pollution in urban areas
Unit
micrograms per cubic meter
Source
World Health Organization – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
226 places, 3,156 data points, 2010–2023
Last refreshed

Annual mean levels of fine particulate matter (population-weighted), by location (micrograms per cubic meter).