Annual PM2.5 emissions from wildfires in Guam
Guam: Annual PM2.5 emissions from wildfires was 21.06 tonnes in 2026. ◆ Volatile
Annual PM2.5 emissions from wildfires in Guam, 2003–2026
Source: Global Wildfire Information System (2026) – with minor processing by Our World in Data. Measured in tonnes.
Analysis
The most recent figure for annual pm2.5 emissions from wildfires in Guam is 21.06 tonnes, measured in 2026.
Compared with earlier readings it is down 93.9% on the previous year and down 98.8% over ten years.
Over the whole period, annual pm2.5 emissions from wildfires in Guam peaked at 1,861 tonnes in 2022 and was at its lowest, 0 tonnes, in 2011.
Guam ranks 175th of 248 countries on this measure, in the middle of the range.
The series is highly variable year to year, so single readings are best treated with caution.
Annual PM2.5 emissions from wildfires in Guam, year by year
| Year | tonnes | Change |
|---|---|---|
| 2003 | 141.41 tonnes | — |
| 2004 | 39.6 tonnes | -72.0% |
| 2005 | 28.9 tonnes | -27.0% |
| 2006 | 612.1 tonnes | +2018.0% |
| 2007 | 1,268 tonnes | +107.2% |
| 2008 | 651.5 tonnes | -48.6% |
| 2009 | 299.76 tonnes | -54.0% |
| 2010 | 322.88 tonnes | +7.7% |
| 2011 | 0 tonnes | -100.0% |
| 2012 | 137.12 tonnes | — |
| 2013 | 872 tonnes | +535.9% |
| 2014 | 1,506 tonnes | +72.7% |
| 2015 | 959.56 tonnes | -36.3% |
| 2016 | 1,714 tonnes | +78.6% |
| 2017 | 347.88 tonnes | -79.7% |
| 2018 | 572.88 tonnes | +64.7% |
| 2019 | 1,732 tonnes | +202.3% |
| 2020 | 515.87 tonnes | -70.2% |
| 2021 | 652.08 tonnes | +26.4% |
| 2022 | 1,861 tonnes | +185.4% |
| 2023 | 157.6 tonnes | -91.5% |
| 2024 | 865.04 tonnes | +448.9% |
| 2025 | 347.55 tonnes | -59.8% |
| 2026 | 21.06 tonnes | -93.9% |
Guam compared with similar countries
- Guam's 21.06 tonnes is below the median for high income countries, which is 221.26 tonnes, 10% of the median. (85 countries reporting)
- Guam's 21.06 tonnes is below the median for East Asia & Pacific, which is 301.22 tonnes, 7% of the median. (37 countries reporting)
Biggest year-on-year movements
Years where Annual PM2.5 emissions from wildfires in Guam changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.
| Year | Change | From | To |
|---|---|---|---|
| 2006 | +2018.0% | 28.9 tonnes | 612.1 tonnes |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 434.47 tonnes | 28.9 tonnes | 1,268 tonnes | 7 |
| 2010s | 816.42 tonnes | 0 tonnes | 1,732 tonnes | 10 |
| 2020s | 631.5 tonnes | 21.06 tonnes | 1,861 tonnes | 7 |
Countries ranked near Guam
- 172 Antigua and Barbuda 35.16 tonnes compare
- 173 Slovenia 34.51 tonnes compare
- 174 Grenada 30.06 tonnes compare
- 176 Cape Verde 14.74 tonnes compare
- 177 Singapore 10.31 tonnes compare
- 178 Saint Lucia 7.6 tonnes compare
More climate change data for Guam
- Share of global CO₂ emissions and population 0.0% (2100)
- Population, total, annual growth rate 0.7283 % change on previous year (2025)
- Population, total, per unit of GDP 0 units per US$ of GDP (2022)
- Urban population, annual growth rate 0.7785 % change on previous year (2025)
- Urban population, per unit of GDP 0 units per US$ of GDP (2022)
- Urban population, per capita 0.9422 units per person (2025)
- Urban population 159,230 (2025)
- Urban population growth 0.8% (2025)
- Population, total 168,999 (2025)
- Population growth 0.7% (2025)
Frequently asked questions
- What is annual pm2.5 emissions from wildfires in Guam?
- Annual pm2.5 emissions from wildfires in Guam was 21.06 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 Guam?
- The highest recorded value was 1,861 tonnes in 2022.
- What is the lowest annual pm2.5 emissions from wildfires recorded in Guam?
- The lowest recorded value was 0 tonnes in 2011.
- How does Guam rank for annual pm2.5 emissions from wildfires?
- Guam ranks 175th out of 248 countries with data for 2026.
- Is annual pm2.5 emissions from wildfires rising or falling in Guam?
- Over the last ten years it is down 98.8%. The long-run trend across the full record is volatile.
- Where does this Guam 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
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 18 September 2026.