Macao vs Saint Helena: Annual PM2.5 emissions from wildfires
Macao
0 tonnes
in 2026
Saint Helena
0 tonnes
in 2026
Macao rank
187th
Saint Helena rank
187th
Annual PM2.5 emissions from wildfires over time
- Macao
- Saint Helena
How they compare
Macao currently reports 0 tonnes against 0 tonnes in Saint Helena, a difference of 0 tonnes.
Across all 24 years both countries report, Saint Helena has been ahead every year.
Macao ranks 187th and Saint Helena ranks 187th of 248 countries.
Saint Helena has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Macao | Saint Helena | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 0.3171 tonnes | 24.6 tonnes | 24.28 tonnes | Saint Helena |
| 2010s | 0.475 tonnes | 27.15 tonnes | 26.68 tonnes | Saint Helena |
| 2020s | 0 tonnes | 8.44 tonnes | 8.44 tonnes | Saint Helena |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher annual pm2.5 emissions from wildfires, Macao or Saint Helena?
- Macao, at 0 tonnes against 0 tonnes in Saint Helena as of 2026.
- What is the difference in annual pm2.5 emissions from wildfires between Macao and Saint Helena?
- 0 tonnes, with Macao ahead.
- How many years of comparable data are there for Macao and Saint Helena?
- 24 years are reported by both, from 2003 to 2026.
- How do Macao and Saint Helena rank globally for annual pm2.5 emissions from wildfires?
- Macao ranks 187th and Saint Helena ranks 187th of 248 countries.
- Where does this data come from?
- Global Wildfire Information System (2026) β 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 18 September 2026.