Congo vs Sierra Leone: Annual PM2.5 emissions from wildfires
Congo
81,356 tonnes
in 2026
Sierra Leone
83,300 tonnes
in 2026
Congo rank
27th
Sierra Leone rank
26th
Annual PM2.5 emissions from wildfires over time
- Congo
- Sierra Leone
How they compare
Sierra Leone currently reports 83,300 tonnes against 81,356 tonnes in Congo, a difference of 1,944 tonnes.
The two have swapped places 2 times across 24 shared years of data; in 2003 it was Sierra Leone ahead.
Congo ranks 27th and Sierra Leone ranks 26th of 248 countries.
Sierra Leone has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Congo | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 88,737 tonnes | 207,650 tonnes | 118,913 tonnes | Sierra Leone |
| 2010s | 94,222 tonnes | 239,094 tonnes | 144,872 tonnes | Sierra Leone |
| 2020s | 84,190 tonnes | 135,528 tonnes | 51,338 tonnes | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual pm2.5 emissions from wildfires, Congo or Sierra Leone?
- Sierra Leone, at 83,300 tonnes against 81,356 tonnes in Congo as of 2026.
- What is the difference in annual pm2.5 emissions from wildfires between Congo and Sierra Leone?
- 1,944 tonnes, with Sierra Leone ahead.
- How many years of comparable data are there for Congo and Sierra Leone?
- 24 years are reported by both, from 2003 to 2026.
- How do Congo and Sierra Leone rank globally for annual pm2.5 emissions from wildfires?
- Congo ranks 27th and Sierra Leone ranks 26th of 248 countries.
- Where does this data come from?
- Global Wildfire Information System (2026) – with minor processing by Our World in Data, published as Annual PM2.5 emissions from wildfires. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
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.