Mapped: Which Countries Have the Worst Air Pollution?

This population-weighted cartogram shows the countries with the worst air pollution, based on fine particulate matter (PM2.5) concentration. Read more

Mapped: Air Pollution Levels Around the World in 2022

Exploring 2022 average air pollution levels around the world by PM2.5 concentration. Read more

Ranked: The 20 Most Air-Polluted Cities on Earth

Using 2022 average PM2.5 concentrations, we’ve ranked the most polluted cities in the world according to IQAir. Read more

Which Countries Are Most Reliant on Coal?

Global consumption of coal surpassed 8 billion tonnes per year for the first time in 2022. Here are the countries using the most coal. Read more

Visualizing All the World’s Carbon Emissions by Country

China, India, and the U.S. together account for roughly half of the world’s CO₂. This visual breaks down all carbon emissions by country. Read more

Ranked: The Countries With the Most Air Pollution in 2023

South Asian nations are the global hotspot for pollution. In this graphic, we rank the world’s most polluted countries according to IQAir. Read more