Nauru vs Tonga: Average annual exposure to PM2.5 air pollution
Nauru
4.84 micrograms per cubic meter
in 2023
Tonga
4.69 micrograms per cubic meter
in 2023
Nauru rank
189th
Tonga rank
190th
Average annual exposure to PM2.5 air pollution over time
- Nauru
- Tonga
How they compare
Nauru currently reports 4.84 micrograms per cubic meter against 4.69 micrograms per cubic meter in Tonga, a difference of 0.15 micrograms per cubic meter.
The two have swapped places 6 times across 34 shared years of data; in 1990 it was Nauru ahead.
Nauru ranks 189th and Tonga ranks 190th of 200 countries.
Across the 4 decades both report, Nauru averaged higher in 3 and Tonga in 1.
Head to head by decade
| Decade | Nauru | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 5.56 micrograms per cubic meter | 4.95 micrograms per cubic meter | 0.6056 micrograms per cubic meter | Nauru |
| 2000s | 5.35 micrograms per cubic meter | 4.9 micrograms per cubic meter | 0.4548 micrograms per cubic meter | Nauru |
| 2010s | 5.43 micrograms per cubic meter | 4.48 micrograms per cubic meter | 0.9578 micrograms per cubic meter | Nauru |
| 2020s | 4.38 micrograms per cubic meter | 4.74 micrograms per cubic meter | 0.3586 micrograms per cubic meter | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher average annual exposure to pm2.5 air pollution, Nauru or Tonga?
- Nauru, at 4.84 micrograms per cubic meter against 4.69 micrograms per cubic meter in Tonga as of 2023.
- What is the difference in average annual exposure to pm2.5 air pollution between Nauru and Tonga?
- 0.15 micrograms per cubic meter, with Nauru ahead.
- How many years of comparable data are there for Nauru and Tonga?
- 34 years are reported by both, from 1990 to 2023.
- How do Nauru and Tonga rank globally for average annual exposure to pm2.5 air pollution?
- Nauru ranks 189th and Tonga ranks 190th 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.