PM2.5 air pollution in Laos

The average concentration of fine particles (PM2.5) in Laos was 26.1 micrograms per cubic metre in 2023. The value for 2023 is the highest since 2016.

Measure: Fine particulate matter (PM2.5) concentration Unit: Micrograms per cubic metre Data: 2010 to 2023 Source: WHO
Laos, 2023 26.1 Micrograms per cubic metre
Change from 2022 +57.0% 2022: 16.6 µg/m³
Position in 2023 48th of 212 See the full ranking

PM2.5 air pollution in Laos over time

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Laos

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 Laos
2023 26.1 µg/m³
2022 16.6 µg/m³
2021 19.4 µg/m³
2020 19.5 µg/m³
2019 24.4 µg/m³
2018 20.9 µg/m³
2017 21.8 µg/m³
2016 26.2 µg/m³
2015 24.6 µg/m³
2014 23.7 µg/m³
2013 26.6 µg/m³
2012 26.5 µg/m³
2011 23.8 µg/m³
2010 32.2 µg/m³

A dash means no value was published for that period.

In short

  • That is a change of +57.0% from 16.6 µg/m³ in 2022.
  • Since 2013, when it was 26.6 µg/m³, the figure has changed by −1.9%.
  • Among the 212 countries with data for 2023, Laos has the 48th 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 Laos
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