Chad vs Yemen: Particulate matter exposure in 1990 vs. 2017
Chad
42.96 micrograms per cubic meter
in 2023
Yemen
46.84 micrograms per cubic meter
in 2023
Chad rank
18th
Yemen rank
15th
Particulate matter exposure in 1990 vs. 2017 over time
- Chad
- Yemen
How they compare
Yemen currently reports 46.84 micrograms per cubic meter against 42.96 micrograms per cubic meter in Chad, a difference of 3.88 micrograms per cubic meter.
That makes Yemen's figure about 1.1 times Chad's.
The two have swapped places 6 times across 34 shared years of data; in 1990 it was Yemen ahead.
Chad ranks 18th and Yemen ranks 15th of 200 countries.
Across the 4 decades both report, Chad averaged higher in 1 and Yemen in 3.
Head to head by decade
| Decade | Chad | Yemen | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 43.06 micrograms per cubic meter | 43.22 micrograms per cubic meter | 0.1625 micrograms per cubic meter | Yemen |
| 2000s | 44.67 micrograms per cubic meter | 40.22 micrograms per cubic meter | 4.45 micrograms per cubic meter | Chad |
| 2010s | 45.36 micrograms per cubic meter | 47.61 micrograms per cubic meter | 2.25 micrograms per cubic meter | Yemen |
| 2020s | 41.77 micrograms per cubic meter | 44.86 micrograms per cubic meter | 3.09 micrograms per cubic meter | Yemen |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher particulate matter exposure in 1990 vs. 2017, Chad or Yemen?
- Yemen, at 46.84 micrograms per cubic meter against 42.96 micrograms per cubic meter in Chad as of 2023.
- What is the difference in particulate matter exposure in 1990 vs. 2017 between Chad and Yemen?
- 3.88 micrograms per cubic meter, with Yemen ahead.
- How many years of comparable data are there for Chad and Yemen?
- 34 years are reported by both, from 1990 to 2023.
- How do Chad and Yemen rank globally for particulate matter exposure in 1990 vs. 2017?
- Chad ranks 18th and Yemen ranks 15th 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).