Chile vs Sierra Leone: Particulate matter exposure in 1990 vs. 2017
Chile
23.1 micrograms per cubic meter
in 2023
Sierra Leone
22.46 micrograms per cubic meter
in 2023
Chile rank
67th
Sierra Leone rank
69th
Particulate matter exposure in 1990 vs. 2017 over time
- Chile
- Sierra Leone
How they compare
Chile currently reports 23.1 micrograms per cubic meter against 22.46 micrograms per cubic meter in Sierra Leone, a difference of 0.64 micrograms per cubic meter.
The two have swapped places 6 times across 34 shared years of data; in 1990 it was Chile ahead.
Chile ranks 67th and Sierra Leone ranks 69th of 200 countries.
Across the 4 decades both report, Chile averaged higher in 3 and Sierra Leone in 1.
Head to head by decade
| Decade | Chile | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 26.61 micrograms per cubic meter | 22.82 micrograms per cubic meter | 3.79 micrograms per cubic meter | Chile |
| 2000s | 24.86 micrograms per cubic meter | 23.1 micrograms per cubic meter | 1.77 micrograms per cubic meter | Chile |
| 2010s | 21.84 micrograms per cubic meter | 23.06 micrograms per cubic meter | 1.23 micrograms per cubic meter | Sierra Leone |
| 2020s | 23.59 micrograms per cubic meter | 22.22 micrograms per cubic meter | 1.37 micrograms per cubic meter | Chile |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher particulate matter exposure in 1990 vs. 2017, Chile or Sierra Leone?
- Chile, at 23.1 micrograms per cubic meter against 22.46 micrograms per cubic meter in Sierra Leone as of 2023.
- What is the difference in particulate matter exposure in 1990 vs. 2017 between Chile and Sierra Leone?
- 0.64 micrograms per cubic meter, with Chile ahead.
- How many years of comparable data are there for Chile and Sierra Leone?
- 34 years are reported by both, from 1990 to 2023.
- How do Chile and Sierra Leone rank globally for particulate matter exposure in 1990 vs. 2017?
- Chile ranks 67th and Sierra Leone ranks 69th 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 Particulate matter exposure in 1990 vs. 2017. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Population-weighted average level of exposure to concentrations of suspended particles measuring less than 2.5 microns in diameter. Exposure is measured in micrograms per cubic meter (µg/m³).