Using 2022 average PM2.5 concentrations, we've ranked the most polluted cities in the world according to IQAir.
Exploring 2022 average air pollution levels around the world by PM2.5 concentration.
Which economies have hazy air, and which ones enjoy mostly clear skies? Find out in this geographic breakdown of air pollution levels.
This population-weighted cartogram shows the countries with the worst air pollution, based on fine particulate matter (PM2.5) concentration.
