This visual compares air quality in 50 capital cities around the world by average PM2.5 concentrations in 2022.
Using 2022 average PM2.5 concentrations, we've ranked the most polluted cities in the world according to IQAir.
Which economies have hazy air, and which ones enjoy mostly clear skies? Find out in this geographic breakdown of air pollution levels.
Here’s a look at the damage done across the U.S. by lightning-caused wild fires compared to human-caused fires.
Proper indoor air quality prevents airborne viruses like COVID-19 from spreading, and require technical solutions so businesses run smoothly.
This population-weighted cartogram shows the countries with the worst air pollution, based on fine particulate matter (PM2.5) concentration.
From wildfire smoke molecules to the coronavirus, this graphic compares the relative size of particles that we, for the most part, can't see.
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