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

Equatorial Guinea
42.22 micrograms per cubic meter
in 2023
Iran
40.25 micrograms per cubic meter
in 2023
Equatorial Guinea rank
20th
Iran rank
23rd

Particulate matter exposure in 1990 vs. 2017 over time

  • Equatorial Guinea
  • Iran
010203040199020062023

How they compare

Equatorial Guinea currently reports 42.22 micrograms per cubic meter against 40.25 micrograms per cubic meter in Iran, a difference of 1.97 micrograms per cubic meter.

The two have swapped places 8 times across 34 shared years of data; in 1990 it was Equatorial Guinea ahead.

Equatorial Guinea ranks 20th and Iran ranks 23rd of 200 countries.

Across the 4 decades both report, Equatorial Guinea averaged higher in 2 and Iran in 2.

Head to head by decade

Decade Equatorial Guinea Iran Difference Ahead
1990s 40.49 micrograms per cubic meter 34.85 micrograms per cubic meter 5.64 micrograms per cubic meter Equatorial Guinea
2000s 36.37 micrograms per cubic meter 38.15 micrograms per cubic meter 1.78 micrograms per cubic meter Iran
2010s 38.08 micrograms per cubic meter 40.75 micrograms per cubic meter 2.66 micrograms per cubic meter Iran
2020s 42.09 micrograms per cubic meter 41 micrograms per cubic meter 1.09 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, Equatorial Guinea or Iran?
Equatorial Guinea, at 42.22 micrograms per cubic meter against 40.25 micrograms per cubic meter in Iran as of 2023.
What is the difference in particulate matter exposure in 1990 vs. 2017 between Equatorial Guinea and Iran?
1.97 micrograms per cubic meter, with Equatorial Guinea ahead.
How many years of comparable data are there for Equatorial Guinea and Iran?
34 years are reported by both, from 1990 to 2023.
How do Equatorial Guinea and Iran rank globally for particulate matter exposure in 1990 vs. 2017?
Equatorial Guinea ranks 20th and Iran ranks 23rd 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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Equatorial Guinea vs Iran: 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/equatorial-guinea/iran-islamic-rep/

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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).