PM2.5 air pollution exposure in Samoa

People in Samoa were exposed to an average PM2.5 concentration of 4.6 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
Samoa, 2023 4.6 Micrograms per cubic metre
Change from 2022 −14.0% 2022: 5.3 µg/m³
World, 2023 32.9 µg/m³ Official aggregate
Position in 2023 192nd of 200 See the full ranking

PM2.5 air pollution exposure in Samoa over time

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Samoa 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 SamoaWorld
2023 4.6 µg/m³ 32.9 µg/m³
2022 5.3 µg/m³ 32.7 µg/m³
2021 3.7 µg/m³ 33.2 µg/m³
2020 4.5 µg/m³ 32.5 µg/m³
2019 4.5 µg/m³ 33.4 µg/m³
2018 4.6 µg/m³ 34.7 µg/m³
2017 4.9 µg/m³ 35.0 µg/m³
2016 4.6 µg/m³ 35.5 µg/m³
2015 5.2 µg/m³ 36.5 µg/m³
2014 4.7 µg/m³ 35.9 µg/m³
2013 4.6 µg/m³ 36.0 µg/m³
2012 4.6 µg/m³ 36.0 µg/m³
2011 4.0 µg/m³ 37.4 µg/m³
2010 4.6 µg/m³ 36.0 µg/m³
2009 4.7 µg/m³ 36.1 µg/m³
2008 5.0 µg/m³ 36.3 µg/m³
2007 5.2 µg/m³ 36.0 µg/m³
2006 5.3 µg/m³ 35.9 µg/m³
2005 5.0 µg/m³ 36.4 µg/m³
2004 4.8 µg/m³ 36.4 µg/m³
2003 5.1 µg/m³ 36.7 µg/m³
2002 4.9 µg/m³ 36.8 µg/m³
2001 5.3 µg/m³ 36.2 µg/m³
2000 5.0 µg/m³ 36.8 µg/m³
1999 4.9 µg/m³ 36.4 µg/m³

A dash means no value was published for that period.

In short

  • That is a change of −14.0% from 5.3 µg/m³ in 2022.
  • Since 2013, when it was 4.6 µg/m³, the figure has changed by 0%.
  • Among the 200 countries with data for 2023, Samoa has the 192nd 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 Samoa
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