What is the difference in exposure to outdoor air pollution in urban areas between Eritrea and Western Sahara?

0.62 micrograms per cubic meter, with Western Sahara ahead.

How many years of comparable data are there for Eritrea and Western Sahara?

14 years are reported by both, from 2010 to 2023.

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.

Eritrea vs Western Sahara: Exposure to outdoor air pollution in urban areas

Eritrea

25.01 micrograms per cubic meter

in 2023

Western Sahara

25.63 micrograms per cubic meter

in 2023

Eritrea rank

57th

Western Sahara rank

54th

Exposure to outdoor air pollution in urban areas over time

Eritrea
Western Sahara

How they compare

Western Sahara currently reports 25.63 micrograms per cubic meter against 25.01 micrograms per cubic meter in Eritrea, a difference of 0.62 micrograms per cubic meter.

The two have swapped places 5 times across 14 shared years of data; in 2010 it was Eritrea ahead.

Eritrea ranks 57th and Western Sahara ranks 54th of 226 countries.

Across the 2 decades both report, Eritrea averaged higher in 1 and Western Sahara in 1.

Head to head by decade

Decade	Eritrea	Western Sahara	Difference	Ahead
2010s	26.12 micrograms per cubic meter	25.69 micrograms per cubic meter	0.433 micrograms per cubic meter	Eritrea
2020s	25.17 micrograms per cubic meter	26.2 micrograms per cubic meter	1.03 micrograms per cubic meter	Western Sahara

Averages of every year both report within each decade.

Frequently asked questions

Which has higher exposure to outdoor air pollution in urban areas, Eritrea or Western Sahara?: Western Sahara, at 25.63 micrograms per cubic meter against 25.01 micrograms per cubic meter in Eritrea as of 2023.
What is the difference in exposure to outdoor air pollution in urban areas between Eritrea and Western Sahara?: 0.62 micrograms per cubic meter, with Western Sahara ahead.
How many years of comparable data are there for Eritrea and Western Sahara?: 14 years are reported by both, from 2010 to 2023.
How do Eritrea and Western Sahara rank globally for exposure to outdoor air pollution in urban areas?: Eritrea ranks 57th and Western Sahara ranks 54th 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.

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Eritrea vs Western Sahara: Exposure to outdoor air pollution in urban areas. Statizoid, drawing on World Health Organization – processed by Our World in Data. Retrieved 07 September 2026, from https://environment.statizoid.com/compare/exposure-to-outdoor-air-pollution-in-urban-areas/eritrea/western-sahara/

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<a href="https://environment.statizoid.com/compare/exposure-to-outdoor-air-pollution-in-urban-areas/eritrea/western-sahara/">Eritrea vs Western Sahara: 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: 28 August 2026

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