Exposure to outdoor air pollution in Thailand

Thailand: Exposure to outdoor air pollution was 23.3 µg/m³ in 2024. ▲ Rising

Latest (2024)
23.3 µg/m³
Change on year
down 6.0%
World rank
68th
of 241 countries
All-time high
25.5 µg/m³
in 2013
All-time low
19.1 µg/m³
in 1999
Years of data
27
1998–2024

Exposure to outdoor air pollution in Thailand, 1998–2024

01020301998201120241998: 21.5 µg/m³1999: 19.1 µg/m³2000: 20.5 µg/m³2001: 19.8 µg/m³2002: 21.1 µg/m³2003: 21.3 µg/m³2004: 24.7 µg/m³2005: 24.7 µg/m³2006: 22.3 µg/m³2007: 25.1 µg/m³2008: 23.3 µg/m³2009: 22.8 µg/m³2010: 23 µg/m³2011: 24.1 µg/m³2012: 23.2 µg/m³2013: 25.5 µg/m³2014: 24.4 µg/m³2015: 21.7 µg/m³2016: 23.8 µg/m³2017: 20.4 µg/m³2018: 22.9 µg/m³2019: 23.2 µg/m³2020: 23.4 µg/m³2021: 22.5 µg/m³2022: 21.8 µg/m³2023: 24.8 µg/m³2024: 23.3 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

In 2024, exposure to outdoor air pollution in Thailand stood at 23.3 µg/m³.

Compared with earlier readings it is down 6.0% on the previous year and down 4.5% over ten years.

Over the whole period, exposure to outdoor air pollution in Thailand peaked at 25.5 µg/m³ in 2013 and was at its lowest, 19.1 µg/m³, in 1999.

Thailand ranks 68th of 241 countries on this measure, in the middle of the range.

The long-run direction has been consistently rising across the 27 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1990s 20.3 µg/m³ 19.1 µg/m³ 21.5 µg/m³ 2
2000s 22.56 µg/m³ 19.8 µg/m³ 25.1 µg/m³ 10
2010s 23.22 µg/m³ 20.4 µg/m³ 25.5 µg/m³ 10
2020s 23.16 µg/m³ 21.8 µg/m³ 24.8 µg/m³ 5

Countries ranked near Thailand

  1. 65 South Sudan 24.1 µg/m³ compare
  2. 66 Guinea 23.9 µg/m³ compare
  3. 67 Azerbaijan 23.7 µg/m³ compare
  4. 69 Chile 23.2 µg/m³ compare
  5. 69 Palestine 23.2 µg/m³ compare
  6. 71 Philippines 23.1 µg/m³ compare

See the full ranking of 241 places →

More environment data for Thailand

All data for Thailand →

Frequently asked questions

What is exposure to outdoor air pollution in Thailand?
Exposure to outdoor air pollution in Thailand was 23.3 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 Thailand?
The highest recorded value was 25.5 µg/m³ in 2013.
What is the lowest exposure to outdoor air pollution recorded in Thailand?
The lowest recorded value was 19.1 µg/m³ in 1999.
How does Thailand rank for exposure to outdoor air pollution?
Thailand ranks 68th out of 241 countries with data for 2024.
Is exposure to outdoor air pollution rising or falling in Thailand?
Over the last ten years it is down 4.5%. The long-run trend across the full record is rising.
Where does this Thailand 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.