PM2.5 air pollution exposure in Cambodia

People in Cambodia were exposed to an average PM2.5 concentration of 19.4 µg/m³ in 2023.

Measure: Mean annual exposure to fine particulate matter (PM2.5) Unit: Micrograms per cubic metre Data: 1990 to 2023 Source: World Bank
Cambodia, 2023 19.4 Micrograms per cubic metre
Change from 2022 −2.1% 2022: 19.8 µg/m³
World, 2023 32.9 µg/m³ Official aggregate
Position in 2023 89th of 200 See the full ranking

PM2.5 air pollution exposure in Cambodia over time

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Cambodia World ×

Micrograms per cubic metre. Source: World Bank, World Development Indicators. Gaps mean no published value; points are not joined across missing years.

Mean annual exposure to fine particulate matter (PM2.5) (micrograms per cubic metre), 1999 to 2023
Period CambodiaWorld
2023 19.4 µg/m³ 32.9 µg/m³
2022 19.8 µg/m³ 32.7 µg/m³
2021 19.6 µg/m³ 33.2 µg/m³
2020 20.9 µg/m³ 32.5 µg/m³
2019 19.0 µg/m³ 33.4 µg/m³
2018 21.5 µg/m³ 34.7 µg/m³
2017 18.4 µg/m³ 35.0 µg/m³
2016 19.3 µg/m³ 35.5 µg/m³
2015 17.8 µg/m³ 36.5 µg/m³
2014 19.6 µg/m³ 35.9 µg/m³
2013 21.6 µg/m³ 36.0 µg/m³
2012 17.9 µg/m³ 36.0 µg/m³
2011 21.2 µg/m³ 37.4 µg/m³
2010 20.5 µg/m³ 36.0 µg/m³
2009 19.8 µg/m³ 36.1 µg/m³
2008 21.7 µg/m³ 36.3 µg/m³
2007 21.9 µg/m³ 36.0 µg/m³
2006 23.5 µg/m³ 35.9 µg/m³
2005 27.2 µg/m³ 36.4 µg/m³
2004 27.6 µg/m³ 36.4 µg/m³
2003 25.8 µg/m³ 36.7 µg/m³
2002 26.8 µg/m³ 36.8 µg/m³
2001 25.8 µg/m³ 36.2 µg/m³
2000 26.8 µg/m³ 36.8 µg/m³
1999 26.3 µg/m³ 36.4 µg/m³

A dash means no value was published for that period.

In short

  • That is a change of −2.1% from 19.8 µg/m³ in 2022.
  • Since 2013, when it was 21.6 µg/m³, the figure has changed by −9.9%.
  • Among the 200 countries with data for 2023, Cambodia has the 89th highest value.
  • The figure for the world in 2023 was 32.9 µg/m³.

Source and dates

Original producer
Global Burden of Disease Study, Institute for Health Metrics and Evaluation
Distributed by
World Bank, World Development Indicators
Dataset or series code
EN.ATM.PM25.MC.M3 · dataset details · view at source
Observation period
1990 to 2023 for Cambodia
Provider update
8 October 2026
Retrieved
9 November 2026
Published here
9 November 2026
Licence
CC BY 4.0 (per series metadata)
Attribution
Source: World Bank, World Development Indicators, original data: Global Burden of Disease Study, Institute for Health Metrics and Evaluation