Chad vs Equatorial Guinea: Particulate matter exposure in 1990 vs. 2017

Chad
42.96 micrograms per cubic meter
in 2023
Equatorial Guinea
42.22 micrograms per cubic meter
in 2023
Chad rank
18th
Equatorial Guinea rank
20th

Particulate matter exposure in 1990 vs. 2017 over time

  • Chad
  • Equatorial Guinea
0204060199020062023

How they compare

Chad currently reports 42.96 micrograms per cubic meter against 42.22 micrograms per cubic meter in Equatorial Guinea, a difference of 0.74 micrograms per cubic meter.

The two have swapped places 2 times across 34 shared years of data; in 1990 it was Chad ahead.

Chad ranks 18th and Equatorial Guinea ranks 20th of 200 countries.

Across the 4 decades both report, Chad averaged higher in 3 and Equatorial Guinea in 1.

Head to head by decade

Decade Chad Equatorial Guinea Difference Ahead
1990s 43.06 micrograms per cubic meter 40.49 micrograms per cubic meter 2.57 micrograms per cubic meter Chad
2000s 44.67 micrograms per cubic meter 36.37 micrograms per cubic meter 8.3 micrograms per cubic meter Chad
2010s 45.36 micrograms per cubic meter 38.08 micrograms per cubic meter 7.28 micrograms per cubic meter Chad
2020s 41.77 micrograms per cubic meter 42.09 micrograms per cubic meter 0.3219 micrograms per cubic meter Equatorial Guinea

Averages of every year both report within each decade.

Frequently asked questions

Which has higher particulate matter exposure in 1990 vs. 2017, Chad or Equatorial Guinea?
Chad, at 42.96 micrograms per cubic meter against 42.22 micrograms per cubic meter in Equatorial Guinea as of 2023.
What is the difference in particulate matter exposure in 1990 vs. 2017 between Chad and Equatorial Guinea?
0.74 micrograms per cubic meter, with Chad ahead.
How many years of comparable data are there for Chad and Equatorial Guinea?
34 years are reported by both, from 1990 to 2023.
How do Chad and Equatorial Guinea rank globally for particulate matter exposure in 1990 vs. 2017?
Chad ranks 18th and Equatorial Guinea ranks 20th 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.

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Chad vs Equatorial Guinea: Particulate matter exposure in 1990 vs. 2017. Statizoid, drawing on Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data. Retrieved 24 September 2026, from https://reference.statizoid.com/compare/pm-exposure-1990-2017/chad/equatorial-guinea/

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About this data

Indicator
Particulate matter exposure in 1990 vs. 2017
Unit
micrograms per cubic meter
Source
Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
200 places, 6,800 data points, 1990–2023
Last refreshed

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).