How many years of comparable data are there for Ecuador and Japan?

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.

Ecuador vs Japan: Exposure to outdoor air pollution in urban areas

Ecuador

8.45 micrograms per cubic meter

in 2023

Japan

8.53 micrograms per cubic meter

in 2023

Ecuador rank

173rd

Japan rank

172nd

Exposure to outdoor air pollution in urban areas over time

Ecuador
Japan

How they compare

Japan currently reports 8.53 micrograms per cubic meter against 8.45 micrograms per cubic meter in Ecuador, a difference of 0.08 micrograms per cubic meter.

The two have swapped places 2 times across 14 shared years of data; in 2010 it was Japan ahead.

Ecuador ranks 173rd and Japan ranks 172nd of 226 countries.

Across the 2 decades both report, Ecuador averaged higher in 1 and Japan in 1.

Head to head by decade

Decade	Ecuador	Japan	Difference	Ahead
2010s	10.79 micrograms per cubic meter	13 micrograms per cubic meter	2.21 micrograms per cubic meter	Japan
2020s	9.4 micrograms per cubic meter	8.8 micrograms per cubic meter	0.5925 micrograms per cubic meter	Ecuador

Averages of every year both report within each decade.

Frequently asked questions

Which has higher exposure to outdoor air pollution in urban areas, Ecuador or Japan?: Japan, at 8.53 micrograms per cubic meter against 8.45 micrograms per cubic meter in Ecuador as of 2023.
What is the difference in exposure to outdoor air pollution in urban areas between Ecuador and Japan?: 0.08 micrograms per cubic meter, with Japan ahead.
How many years of comparable data are there for Ecuador and Japan?: 14 years are reported by both, from 2010 to 2023.
How do Ecuador and Japan rank globally for exposure to outdoor air pollution in urban areas?: Ecuador ranks 173rd and Japan ranks 172nd 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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Ecuador vs Japan: Exposure to outdoor air pollution in urban areas. Statizoid, drawing on World Health Organization – processed by Our World in Data. Retrieved 04 September 2026, from https://environment.statizoid.com/compare/exposure-to-outdoor-air-pollution-in-urban-areas/ecuador/japan/

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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).