PM2.5 air pollution in Cambodia

The average concentration of fine particles (PM2.5) in Cambodia was 20.8 micrograms per cubic metre in 2023.

Measure: Fine particulate matter (PM2.5) concentration Unit: Micrograms per cubic metre Data: 2010 to 2023 Source: WHO
Cambodia, 2023 20.8 Micrograms per cubic metre
Change from 2022 +18.5% 2022: 17.6 µg/m³
Position in 2023 75th of 212 See the full ranking

PM2.5 air pollution in Cambodia over time

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Cambodia

Micrograms per cubic metre. Source: World Health Organization, Global Health Observatory. Gaps mean no published value; points are not joined across missing years.

Fine particulate matter (PM2.5) concentration (micrograms per cubic metre), 2010 to 2023
Period Cambodia
2023 20.8 µg/m³
2022 17.6 µg/m³
2021 18.4 µg/m³
2020 17.8 µg/m³
2019 21.0 µg/m³
2018 22.0 µg/m³
2017 20.9 µg/m³
2016 22.7 µg/m³
2015 24.2 µg/m³
2014 22.0 µg/m³
2013 25.7 µg/m³
2012 24.3 µg/m³
2011 24.4 µg/m³
2010 27.0 µg/m³

A dash means no value was published for that period.

In short

  • That is a change of +18.5% from 17.6 µg/m³ in 2022.
  • Since 2013, when it was 25.7 µg/m³, the figure has changed by −18.7%.
  • Among the 212 countries with data for 2023, Cambodia has the 75th highest value.

Source and dates

Original producer
WHO
Source
World Health Organization, Global Health Observatory
Dataset or series code
SDGPM25 · dataset details · view at source
Selection
Dim1=RESIDENCEAREATYPE_TOTL
Observation period
2010 to 2023 for Cambodia
Provider update
8 May 2026
Retrieved
9 November 2026
Published here
9 November 2026
Licence
CC BY 4.0 (WHO datasets, with additional terms)
Attribution
Source: World Health Organization, Global Health Observatory