Outdoor air pollution exposure in Tonga

Tonga: Outdoor air pollution exposure was 3.8 in 2024. ▼ Falling

Latest (2024)
3.8
Change on year
down 5.0%
World rank
226th
of 241 countries
All-time high
4.7
in 2008
All-time low
3.2
in 2016
Years of data
27
1998–2024

Outdoor air pollution exposure in Tonga, 1998–2024

0123451998201120241998: 3.81999: 3.92000: 4.22001: 42002: 42003: 3.72004: 4.32005: 4.22006: 4.22007: 4.12008: 4.72009: 3.72010: 4.32011: 42012: 3.32013: 3.62014: 3.42015: 3.52016: 3.22017: 4.12018: 3.72019: 3.72020: 3.62021: 3.52022: 4.52023: 42024: 3.8

Source: Our World in Data.

Analysis

The most recent figure for outdoor air pollution exposure in Tonga is 3.8, measured in 2024.

The figure is down 5.0% on the previous year and up 11.8% over ten years.

Over the whole period, outdoor air pollution exposure in Tonga peaked at 4.7 in 2008 and was at its lowest, 3.2, in 2016.

That places Tonga 226th out of 241 countries with data for 2024, putting it in the bottom quarter.

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

Outdoor air pollution exposure in Tonga, year by year

Annual values for Outdoor air pollution exposure in Tonga, 1998 to 2024.
Year Value Change
1998 3.8 —
1999 3.9 +2.6%
2000 4.2 +7.7%
2001 4 -4.8%
2002 4 +0.0%
2003 3.7 -7.5%
2004 4.3 +16.2%
2005 4.2 -2.3%
2006 4.2 +0.0%
2007 4.1 -2.4%
2008 4.7 +14.6%
2009 3.7 -21.3%
2010 4.3 +16.2%
2011 4 -7.0%
2012 3.3 -17.5%
2013 3.6 +9.1%
2014 3.4 -5.6%
2015 3.5 +2.9%
2016 3.2 -8.6%
2017 4.1 +28.1%
2018 3.7 -9.8%
2019 3.7 +0.0%
2020 3.6 -2.7%
2021 3.5 -2.8%
2022 4.5 +28.6%
2023 4 -11.1%
2024 3.8 -5.0%

Tonga compared with similar countries

  • Tonga's 3.8 is below the median for upper middle income countries, which is 17.15, 22% of the median. (58 countries reporting)
  • Tonga's 3.8 is below the median for East Asia & Pacific, which is 8.9, 43% of the median. (37 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1990s 3.85 3.8 3.9 2
2000s 4.11 3.7 4.7 10
2010s 3.68 3.2 4.3 10
2020s 3.88 3.5 4.5 5

Countries ranked near Tonga

  1. 225 Bermuda 3.9 compare
  2. 226 American Samoa 3.8 compare
  3. 226 Nauru 3.8 compare
  4. 229 Christmas Island 3.7 compare
  5. 229 Kiribati 3.7 compare

See the full ranking of 241 places →

More environment data for Tonga

All data for Tonga →

Frequently asked questions

What is outdoor air pollution exposure in Tonga?
Outdoor air pollution exposure in Tonga was 3.8 in 2024, according to Our World in Data.
What is the highest outdoor air pollution exposure recorded in Tonga?
The highest recorded value was 4.7 in 2008.
What is the lowest outdoor air pollution exposure recorded in Tonga?
The lowest recorded value was 3.2 in 2016.
How does Tonga rank for outdoor air pollution exposure?
Tonga ranks 226th out of 241 countries with data for 2024.
Is outdoor air pollution exposure rising or falling in Tonga?
Over the last ten years it is up 11.8%. The long-run trend across the full record is falling.
Where does this Tonga data come from?
The figures come from Our World in Data, published as part of Outdoor air pollution exposure. Statizoid updates them automatically from the source API.

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

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Outdoor air pollution exposure in Tonga. Statizoid, drawing on Our World in Data. Retrieved 15 November 2026, from https://environment.statizoid.com/stat/outdoor-air-pollution-exposure/tonga/

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About this data

Indicator
Outdoor air pollution exposure
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
241 places, 6,507 data points, 1998–2024
Last refreshed