Kazakhstan vs Sao Tome and Principe: Exposure to outdoor air pollution
Kazakhstan
16 µg/m³
in 2024
Sao Tome and Principe
15.6 µg/m³
in 2024
Kazakhstan rank
109th
Sao Tome and Principe rank
112th
Exposure to outdoor air pollution over time
- Kazakhstan
- Sao Tome and Principe
How they compare
Kazakhstan currently reports 16 µg/m³ against 15.6 µg/m³ in Sao Tome and Principe, a difference of 0.4 µg/m³.
The two have swapped places 3 times across 27 shared years of data; in 1998 it was Sao Tome and Principe ahead.
Kazakhstan ranks 109th and Sao Tome and Principe ranks 112th of 241 countries.
Kazakhstan has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Kazakhstan | Sao Tome and Principe | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 14.85 µg/m³ | 13.35 µg/m³ | 1.5 µg/m³ | Kazakhstan |
| 2000s | 16.45 µg/m³ | 14.55 µg/m³ | 1.9 µg/m³ | Kazakhstan |
| 2010s | 16.65 µg/m³ | 14.15 µg/m³ | 2.5 µg/m³ | Kazakhstan |
| 2020s | 15.82 µg/m³ | 14.2 µg/m³ | 1.62 µg/m³ | Kazakhstan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher exposure to outdoor air pollution, Kazakhstan or Sao Tome and Principe?
- Kazakhstan, at 16 µg/m³ against 15.6 µg/m³ in Sao Tome and Principe as of 2024.
- What is the difference in exposure to outdoor air pollution between Kazakhstan and Sao Tome and Principe?
- 0.4 µg/m³, with Kazakhstan ahead.
- How many years of comparable data are there for Kazakhstan and Sao Tome and Principe?
- 27 years are reported by both, from 1998 to 2024.
- How do Kazakhstan and Sao Tome and Principe rank globally for exposure to outdoor air pollution?
- Kazakhstan ranks 109th and Sao Tome and Principe ranks 112th of 241 countries.
- Where does this data come from?
- SatPM, Atmospheric Composition Analysis Group, Washington University in St. Louis (2026) – with minor processing by Our World in Data, published as Exposure to outdoor air pollution. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Annual population-weighted average concentration of fine particulate matter (PM2.5) in the air, measured in micrograms per cubic meter (µg/m³). Fine particulate matter (PM2.5) are particles with a diameter of 2.5 micrometers or less, which can pose significant health risks.