Canada vs United States: Average annual exposure to PM2.5 air pollution

Canada
6.55 micrograms per cubic meter
in 2023
United States
6.97 micrograms per cubic meter
in 2023
Canada rank
179th
United States rank
176th

Average annual exposure to PM2.5 air pollution over time

  • Canada
  • United States
051015199020062023

How they compare

United States currently reports 6.97 micrograms per cubic meter against 6.55 micrograms per cubic meter in Canada, a difference of 0.4177 micrograms per cubic meter.

That makes United States's figure about 1.1 times Canada's.

Across all 34 years both countries report, United States has been ahead every year.

Canada ranks 179th and United States ranks 176th of 200 countries.

Individual pages

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

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.