Laos vs Vietnam: Average annual exposure to PM2.5 air pollution
Laos
25.98 micrograms per cubic meter
in 2023
Vietnam
24.78 micrograms per cubic meter
in 2023
Laos rank
61st
Vietnam rank
62nd
Average annual exposure to PM2.5 air pollution over time
- Laos
- Vietnam
How they compare
Laos currently reports 25.98 micrograms per cubic meter against 24.78 micrograms per cubic meter in Vietnam, a difference of 1.2 micrograms per cubic meter.
The two have swapped places 13 times across 34 shared years of data; in 1990 it was Vietnam ahead.
Laos ranks 61st and Vietnam ranks 62nd of 200 countries.
Across the 4 decades both report, Laos averaged higher in 2 and Vietnam in 2.
Head to head by decade
| Decade | Laos | Vietnam | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 38.75 micrograms per cubic meter | 38.73 micrograms per cubic meter | 0.0227 micrograms per cubic meter | Laos |
| 2000s | 34.47 micrograms per cubic meter | 34.69 micrograms per cubic meter | 0.2212 micrograms per cubic meter | Vietnam |
| 2010s | 28.02 micrograms per cubic meter | 28.22 micrograms per cubic meter | 0.1961 micrograms per cubic meter | Vietnam |
| 2020s | 26.36 micrograms per cubic meter | 25.21 micrograms per cubic meter | 1.15 micrograms per cubic meter | Laos |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher average annual exposure to pm2.5 air pollution, Laos or Vietnam?
- Laos, at 25.98 micrograms per cubic meter against 24.78 micrograms per cubic meter in Vietnam as of 2023.
- What is the difference in average annual exposure to pm2.5 air pollution between Laos and Vietnam?
- 1.2 micrograms per cubic meter, with Laos ahead.
- How many years of comparable data are there for Laos and Vietnam?
- 34 years are reported by both, from 1990 to 2023.
- How do Laos and Vietnam rank globally for average annual exposure to pm2.5 air pollution?
- Laos ranks 61st and Vietnam ranks 62nd 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.