Annual PM2.5 emissions from wildfires in Sierra Leone

Sierra Leone: Annual PM2.5 emissions from wildfires was 83,300 tonnes in 2026. ▼ Falling

Latest (2026)
83,300 tonnes
Change on year
down 17.7%
World rank
26th
of 248 countries
All-time high
378,703 tonnes
in 2009
All-time low
68,978 tonnes
in 2005
Years of data
24
2003–2026

Annual PM2.5 emissions from wildfires in Sierra Leone, 2003–2026

100.0k200.0k300.0k400.0k2003201420262003: 220.0k tonnes2004: 164.4k tonnes2005: 69.0k tonnes2006: 166.9k tonnes2007: 311.9k tonnes2008: 142.7k tonnes2009: 378.7k tonnes2010: 104.4k tonnes2011: 151.0k tonnes2012: 323.0k tonnes2013: 241.0k tonnes2014: 344.5k tonnes2015: 358.8k tonnes2016: 349.8k tonnes2017: 213.0k tonnes2018: 126.3k tonnes2019: 179.1k tonnes2020: 179.8k tonnes2021: 115.9k tonnes2022: 115.0k tonnes2023: 190.3k tonnes2024: 163.3k tonnes2025: 101.2k tonnes2026: 83.3k tonnes

Source: Global Wildfire Information System (2026) – with minor processing by Our World in Data. Measured in tonnes.

Analysis

In 2026, annual pm2.5 emissions from wildfires in Sierra Leone stood at 83,300 tonnes.

The figure is down 17.7% on the previous year and down 76.2% over ten years.

Over the whole period, annual pm2.5 emissions from wildfires in Sierra Leone peaked at 378,703 tonnes in 2009 and was at its lowest, 68,978 tonnes, in 2005.

That places Sierra Leone 26th out of 248 countries with data for 2026, putting it in the top quarter.

The long-run direction has been consistently falling across the 24 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
2000s 207,650 tonnes 68,978 tonnes 378,703 tonnes 7
2010s 239,094 tonnes 104,434 tonnes 358,815 tonnes 10
2020s 135,528 tonnes 83,300 tonnes 190,297 tonnes 7

Countries ranked near Sierra Leone

  1. 23 Cambodia 92,930 tonnes compare
  2. 24 Cameroon 90,507 tonnes compare
  3. 25 South Africa 86,388 tonnes compare
  4. 27 Congo 81,356 tonnes compare
  5. 28 Bolivia 80,154 tonnes compare
  6. 29 Tanzania 77,332 tonnes compare

See the full ranking of 248 places →

More climate change data for Sierra Leone

All data for Sierra Leone →

Frequently asked questions

What is annual pm2.5 emissions from wildfires in Sierra Leone?
Annual pm2.5 emissions from wildfires in Sierra Leone was 83,300 tonnes in 2026, according to Global Wildfire Information System (2026) – with minor processing by Our World in Data.
What is the highest annual pm2.5 emissions from wildfires recorded in Sierra Leone?
The highest recorded value was 378,703 tonnes in 2009.
What is the lowest annual pm2.5 emissions from wildfires recorded in Sierra Leone?
The lowest recorded value was 68,978 tonnes in 2005.
How does Sierra Leone rank for annual pm2.5 emissions from wildfires?
Sierra Leone ranks 26th out of 248 countries with data for 2026.
Is annual pm2.5 emissions from wildfires rising or falling in Sierra Leone?
Over the last ten years it is down 76.2%. The long-run trend across the full record is falling.
Where does this Sierra Leone data come from?
The figures come from Global Wildfire Information System (2026) – with minor processing by Our World in Data, published as part of Annual PM2.5 emissions from wildfires. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 24 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator
Annual PM2.5 emissions from wildfires
Unit
tonnes
Source
Global Wildfire Information System (2026) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
248 places, 5,952 data points, 2003–2026
Last refreshed

PM2.5 emissions represent the quantity of fine particulate matter (diameter less than 2.5 micrometers) released by wildfires, in tonnes. The 2026 data is incomplete and was last updated 07 August 2026.