What is the difference in exposure to outdoor air pollution in urban areas between Haiti and Sao Tome and Principe?

0.75 micrograms per cubic meter, with Sao Tome and Principe ahead.

How many years of comparable data are there for Haiti and Sao Tome and Principe?

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.

Haiti vs Sao Tome and Principe: Exposure to outdoor air pollution in urban areas

Haiti

25.97 micrograms per cubic meter

in 2023

Sao Tome and Principe

26.72 micrograms per cubic meter

in 2023

Haiti rank

53rd

Sao Tome and Principe rank

51st

Exposure to outdoor air pollution in urban areas over time

Haiti
Sao Tome and Principe

How they compare

Sao Tome and Principe currently reports 26.72 micrograms per cubic meter against 25.97 micrograms per cubic meter in Haiti, a difference of 0.75 micrograms per cubic meter.

The two have swapped places 1 time across 14 shared years of data; in 2010 it was Haiti ahead.

Haiti ranks 53rd and Sao Tome and Principe ranks 51st of 226 countries.

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

Head to head by decade

Decade	Haiti	Sao Tome and Principe	Difference	Ahead
2010s	32.81 micrograms per cubic meter	24.32 micrograms per cubic meter	8.49 micrograms per cubic meter	Haiti
2020s	27.73 micrograms per cubic meter	25.83 micrograms per cubic meter	1.9 micrograms per cubic meter	Haiti

Averages of every year both report within each decade.

Frequently asked questions

Which has higher exposure to outdoor air pollution in urban areas, Haiti or Sao Tome and Principe?: Sao Tome and Principe, at 26.72 micrograms per cubic meter against 25.97 micrograms per cubic meter in Haiti as of 2023.
What is the difference in exposure to outdoor air pollution in urban areas between Haiti and Sao Tome and Principe?: 0.75 micrograms per cubic meter, with Sao Tome and Principe ahead.
How many years of comparable data are there for Haiti and Sao Tome and Principe?: 14 years are reported by both, from 2010 to 2023.
How do Haiti and Sao Tome and Principe rank globally for exposure to outdoor air pollution in urban areas?: Haiti ranks 53rd and Sao Tome and Principe ranks 51st 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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Haiti vs Sao Tome and Principe: Exposure to outdoor air pollution in urban areas. Statizoid, drawing on World Health Organization – processed by Our World in Data. Retrieved 15 September 2026, from https://environment.statizoid.com/compare/exposure-to-outdoor-air-pollution-in-urban-areas/haiti/sao-tome-and-principe/

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<a href="https://environment.statizoid.com/compare/exposure-to-outdoor-air-pollution-in-urban-areas/haiti/sao-tome-and-principe/">Haiti vs Sao Tome and Principe: 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).