Exposure to outdoor air pollution in Liberia

Liberia: Exposure to outdoor air pollution was 17.2 µg/m³ in 2024. ▬ Flat

Latest (2024)
17.2 µg/m³
Change on year
up 11.7%
World rank
99th
of 241 countries
All-time high
18.9 µg/m³
in 2009
All-time low
14.3 µg/m³
in 2003
Years of data
27
1998–2024

Exposure to outdoor air pollution in Liberia, 1998–2024

051015201998201120241998: 17.4 µg/m³1999: 16.5 µg/m³2000: 15.1 µg/m³2001: 15.1 µg/m³2002: 15.4 µg/m³2003: 14.3 µg/m³2004: 15.7 µg/m³2005: 17.3 µg/m³2006: 15 µg/m³2007: 16.8 µg/m³2008: 17.7 µg/m³2009: 18.9 µg/m³2010: 15.4 µg/m³2011: 18.6 µg/m³2012: 16.2 µg/m³2013: 16.7 µg/m³2014: 15.4 µg/m³2015: 18.3 µg/m³2016: 17 µg/m³2017: 16.5 µg/m³2018: 15.9 µg/m³2019: 15.5 µg/m³2020: 16.3 µg/m³2021: 15.4 µg/m³2022: 16.6 µg/m³2023: 15.4 µg/m³2024: 17.2 µg/m³

Source: SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data. Measured in µg/m³.

Analysis

The most recent figure for exposure to outdoor air pollution in Liberia is 17.2 µg/m³, measured in 2024.

Compared with earlier readings it is up 11.7% on the previous year and up 11.7% over ten years.

Over the whole period, exposure to outdoor air pollution in Liberia peaked at 18.9 µg/m³ in 2009 and was at its lowest, 14.3 µg/m³, in 2003.

Liberia ranks 99th of 241 countries on this measure, in the middle of the range.

Averages by decade

DecadeAverage LowestHighest Years
1990s 16.95 µg/m³ 16.5 µg/m³ 17.4 µg/m³ 2
2000s 16.13 µg/m³ 14.3 µg/m³ 18.9 µg/m³ 10
2010s 16.55 µg/m³ 15.4 µg/m³ 18.6 µg/m³ 10
2020s 16.18 µg/m³ 15.4 µg/m³ 17.2 µg/m³ 5

Countries ranked near Liberia

  1. 96 Jamaica 17.6 µg/m³ compare
  2. 96 Serbia 17.6 µg/m³ compare
  3. 98 Morocco 17.4 µg/m³ compare
  4. 99 Montenegro 17.2 µg/m³ compare
  5. 101 Libya 17.1 µg/m³ compare
  6. 102 Cape Verde 17 µg/m³ compare
  7. 102 Kyrgyzstan 17 µg/m³ compare
  8. 102 Mozambique 17 µg/m³ compare

See the full ranking of 241 places →

More environment data for Liberia

All data for Liberia →

Frequently asked questions

What is exposure to outdoor air pollution in Liberia?
Exposure to outdoor air pollution in Liberia was 17.2 µg/m³ in 2024, according to SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data.
What is the highest exposure to outdoor air pollution recorded in Liberia?
The highest recorded value was 18.9 µg/m³ in 2009.
What is the lowest exposure to outdoor air pollution recorded in Liberia?
The lowest recorded value was 14.3 µg/m³ in 2003.
How does Liberia rank for exposure to outdoor air pollution?
Liberia ranks 99th out of 241 countries with data for 2024.
Is exposure to outdoor air pollution rising or falling in Liberia?
Over the last ten years it is up 11.7%. The long-run trend across the full record is flat.
Where does this Liberia data come from?
The figures come from SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data, published as part of Exposure to outdoor air pollution. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 27 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Exposure to outdoor air pollution
Unit
µg/m³
Source
SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
241 places, 6,507 data points, 1998–2024
Last refreshed

Annual population-weighted average concentration of fine particulate matter (PM2.5) in the air, measured in micrograms per cubic meter (µg/m³). Fine particulate matter (PM2.5) are particles with a diameter of 2.5 micrometers or less, which can pose significant health risks.