How many years of comparable data are there for Guernsey 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.

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

Guernsey

8.3 micrograms per cubic meter

in 2023

Japan

8.53 micrograms per cubic meter

in 2023

Guernsey rank

175th

Japan rank

172nd

Exposure to outdoor air pollution in urban areas over time

Guernsey
Japan

How they compare

Japan currently reports 8.53 micrograms per cubic meter against 8.3 micrograms per cubic meter in Guernsey, a difference of 0.23 micrograms per cubic meter.

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

Guernsey ranks 175th and Japan ranks 172nd of 226 countries.

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

Head to head by decade

Decade	Guernsey	Japan	Difference	Ahead
2010s	10.4 micrograms per cubic meter	13 micrograms per cubic meter	2.6 micrograms per cubic meter	Japan
2020s	8.71 micrograms per cubic meter	8.8 micrograms per cubic meter	0.1 micrograms per cubic meter	Japan

Averages of every year both report within each decade.

Frequently asked questions

Which has higher exposure to outdoor air pollution in urban areas, Guernsey or Japan?: Japan, at 8.53 micrograms per cubic meter against 8.3 micrograms per cubic meter in Guernsey as of 2023.
What is the difference in exposure to outdoor air pollution in urban areas between Guernsey and Japan?: 0.23 micrograms per cubic meter, with Japan ahead.
How many years of comparable data are there for Guernsey and Japan?: 14 years are reported by both, from 2010 to 2023.
How do Guernsey and Japan rank globally for exposure to outdoor air pollution in urban areas?: Guernsey ranks 175th 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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Guernsey vs Japan: 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/guernsey/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).