Chad vs Iran: Outdoor air pollution exposure
Chad
39.2
in 2024
Iran
37.7
in 2024
Chad rank
21st
Iran rank
23rd
Outdoor air pollution exposure over time
- Chad
- Iran
How they compare
Chad currently reports 39.2 against 37.7 in Iran, a difference of 1.5.
Across all 27 years both countries report, Chad has been ahead every year.
Chad ranks 21st and Iran ranks 23rd of 241 countries.
Chad has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Chad | Iran | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 40.9 | 27.95 | 12.95 | Chad |
| 2000s | 40.8 | 36.44 | 4.36 | Chad |
| 2010s | 41.39 | 36.83 | 4.56 | Chad |
| 2020s | 38.06 | 36.56 | 1.5 | Chad |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher outdoor air pollution exposure, Chad or Iran?
- Chad, at 39.2 against 37.7 in Iran as of 2024.
- What is the difference in outdoor air pollution exposure between Chad and Iran?
- 1.5, with Chad ahead.
- How many years of comparable data are there for Chad and Iran?
- 27 years are reported by both, from 1998 to 2024.
- How do Chad and Iran rank globally for outdoor air pollution exposure?
- Chad ranks 21st and Iran ranks 23rd of 241 countries.
- Where does this data come from?
- Our World in Data, published as Outdoor air pollution exposure. Statizoid refreshes it automatically from the source and publishes the full history for both places.