What is the highest average annual exposure to pm2.5 air pollution recorded in Comoros?

The highest recorded value was 12.69 micrograms per cubic meter in 2001.

What is the lowest average annual exposure to pm2.5 air pollution recorded in Comoros?

The lowest recorded value was 9.18 micrograms per cubic meter in 2014.

How does Comoros rank for average annual exposure to pm2.5 air pollution?

Comoros ranks 154th out of 200 countries with data for 2023.

Is average annual exposure to pm2.5 air pollution rising or falling in Comoros?

Over the last ten years it is down 14.0%. The long-run trend across the full record is flat.

Where does this Comoros data come from?

The figures 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 part of Average annual exposure to PM2.5 air pollution. Statizoid updates them automatically from the source API.

Average annual exposure to PM2.5 air pollution in Comoros

Name: Average annual exposure to PM2.5 air pollution in Comoros
Creator: Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data
License: CC BY 4.0 (Our World in Data)

Comoros: Average annual exposure to PM2.5 air pollution was 10.17 micrograms per cubic meter in 2023. ▬ Flat

Latest (2023)

10.17 micrograms per cubic meter

Change on year

down 15.5%

World rank

154th

of 200 countries

All-time high

12.69 micrograms per cubic meter

in 2001

All-time low

9.18 micrograms per cubic meter

in 2014

Years of data

1990–2023

Average annual exposure to PM2.5 air pollution in Comoros, 1990–2023

Source: Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data. Measured in micrograms per cubic meter.

Analysis

In 2023, average annual exposure to pm2.5 air pollution in Comoros stood at 10.17 micrograms per cubic meter.

The figure is down 15.5% on the previous year and down 14.0% over ten years.

Over the whole period, average annual exposure to pm2.5 air pollution in Comoros peaked at 12.69 micrograms per cubic meter in 2001 and was at its lowest, 9.18 micrograms per cubic meter, in 2014.

Comoros ranks 154th of 200 countries on this measure, in the bottom quarter.

Averages by decade

Decade	Average	Lowest	Highest	Years
1990s	10.44 micrograms per cubic meter	9.89 micrograms per cubic meter	11.22 micrograms per cubic meter	10
2000s	11.83 micrograms per cubic meter	11.35 micrograms per cubic meter	12.69 micrograms per cubic meter	10
2010s	10.66 micrograms per cubic meter	9.18 micrograms per cubic meter	11.99 micrograms per cubic meter	10
2020s	10.59 micrograms per cubic meter	9.93 micrograms per cubic meter	12.04 micrograms per cubic meter	4

Countries ranked near Comoros

151 Lithuania 10.75 micrograms per cubic meter compare
152 Saint Vincent and the Grenadines 10.6 micrograms per cubic meter compare
153 Saint Lucia 10.43 micrograms per cubic meter compare
155 Spain 10.08 micrograms per cubic meter compare
156 Austria 10.03 micrograms per cubic meter compare
157 Solomon Islands 9.77 micrograms per cubic meter compare

See the full ranking of 200 places →

More environment data for Comoros

Total greenhouse gas emissions excluding LULUCF 0.9494 Mt CO2e (2024)
Total greenhouse gas emissions excluding LULUCF per capita 1.1 t CO2e/capita (2024)
Methane (CH4) emissions from Agriculture 0.0725 Mt CO2e (2024)
Methane (CH4) emissions from Building (Energy) 0.0457 Mt CO2e (2024)
Methane (CH4) emissions from Fugitive Emissions (Energy) 0.1528 Mt CO2e (2024)
Methane (CH4) emissions from Industrial Combustion (Energy) 0.0001 Mt CO2e (2024)
Methane (CH4) emissions (total) excluding LULUCF 0.4388 Mt CO2e (2024)
Methane (CH4) emissions from Power Industry (Energy) 0.0001 Mt CO2e (2024)
Methane (CH4) emissions from Transport (Energy) 0.0017 Mt CO2e (2024)
Methane (CH4) emissions from Waste 0.1658 Mt CO2e (2024)

All data for Comoros →

Frequently asked questions

What is average annual exposure to pm2.5 air pollution in Comoros?: Average annual exposure to pm2.5 air pollution in Comoros was 10.17 micrograms per cubic meter in 2023, according to Global Burden of Disease Study 2023, Institute for Health Metrics and Evaluation (IHME), via World Bank (2026) – processed by Our World in Data.
What is the highest average annual exposure to pm2.5 air pollution recorded in Comoros?: The highest recorded value was 12.69 micrograms per cubic meter in 2001.
What is the lowest average annual exposure to pm2.5 air pollution recorded in Comoros?: The lowest recorded value was 9.18 micrograms per cubic meter in 2014.
How does Comoros rank for average annual exposure to pm2.5 air pollution?: Comoros ranks 154th out of 200 countries with data for 2023.
Is average annual exposure to pm2.5 air pollution rising or falling in Comoros?: Over the last ten years it is down 14.0%. The long-run trend across the full record is flat.
Where does this Comoros data come from?: The figures 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 part of Average annual exposure to PM2.5 air pollution. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 34 observations, free to reuse under CC BY 4.0 (Our World in Data).

About this data

Indicator: Average annual exposure to PM2.5 air pollution
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: 07 August 2026

The average level of exposure of the population to suspended particles less than 2.5 microns in diameter, which are capable of penetrating deep into the respiratory tract and damaging health. This is measured in micrograms per cubic meter.