Sri Lanka vs Thailand: Average annual exposure to PM2.5 air pollution
Sri Lanka
22.68 micrograms per cubic meter
in 2023
Thailand
23.49 micrograms per cubic meter
in 2023
Sri Lanka rank
68th
Thailand rank
66th
Average annual exposure to PM2.5 air pollution over time
- Sri Lanka
- Thailand
How they compare
Thailand currently reports 23.49 micrograms per cubic meter against 22.68 micrograms per cubic meter in Sri Lanka, a difference of 0.81 micrograms per cubic meter.
The two have swapped places 6 times across 34 shared years of data; in 1990 it was Thailand ahead.
Sri Lanka ranks 68th and Thailand ranks 66th of 200 countries.
Across the 4 decades both report, Sri Lanka averaged higher in 1 and Thailand in 3.
Head to head by decade
| Decade | Sri Lanka | Thailand | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 32.77 micrograms per cubic meter | 35.85 micrograms per cubic meter | 3.07 micrograms per cubic meter | Thailand |
| 2000s | 30.32 micrograms per cubic meter | 31.03 micrograms per cubic meter | 0.7157 micrograms per cubic meter | Thailand |
| 2010s | 25.77 micrograms per cubic meter | 25.18 micrograms per cubic meter | 0.5877 micrograms per cubic meter | Sri Lanka |
| 2020s | 22.65 micrograms per cubic meter | 24.05 micrograms per cubic meter | 1.4 micrograms per cubic meter | Thailand |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher average annual exposure to pm2.5 air pollution, Sri Lanka or Thailand?
- Thailand, at 23.49 micrograms per cubic meter against 22.68 micrograms per cubic meter in Sri Lanka as of 2023.
- What is the difference in average annual exposure to pm2.5 air pollution between Sri Lanka and Thailand?
- 0.81 micrograms per cubic meter, with Thailand ahead.
- How many years of comparable data are there for Sri Lanka and Thailand?
- 34 years are reported by both, from 1990 to 2023.
- How do Sri Lanka and Thailand rank globally for average annual exposure to pm2.5 air pollution?
- Sri Lanka ranks 68th and Thailand ranks 66th of 200 countries.
- Where does this data come from?
- Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data, published as Average annual exposure to PM2.5 air pollution. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
The average level of exposure of the population to suspended particles less than 2.5 microns in diameter, which are capable of penetrating deep into the respiratory tract and damaging health. This is measured in micrograms per cubic meter.