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Air pollution is one of the world's largest health and environmental problems. It develops in two contexts: indoor (household) air pollution and outdoor air pollution. In this topic page, we look at the aggregate picture of air pollution – both indoor and outdoor.
In the State of Global Air 2024 interactive app, you can explore, compare, and download data and graphics reflecting the latest air pollution levels and associated burden of disease for over 200 individual countries, territories, and regions, as well as track trends from 1990 to 2021.
Almost all of the global population (99%) are exposed to air pollution levels that put them at increased risk for diseases including heart disease, stroke, chronic obstructive pulmonary disease, cancer and pneumonia.
The State of Global Air 2024 reports provides a comprehensive analysis of data for air quality and health impacts for countries around the world in 2021. Factsheet. Air Pollution and Your Health. Our new factsheet spotlights key health effects from air pollution. The factsheet is currently available in English, French, Spanish, Hindi, and Swahili.
25 Ιουν 2024 · Air pollution kills an estimated seven million people worldwide every year. WHO data shows that 9 out of 10 people breathe air containing high levels of pollutants. WHO is working with countries to monitor air pollution and improve air quality.
7 Σεπ 2021 · Improving our air quality will bring health, development, and environmental benefits. The UNEP Pollution Action Note displays the global state of air pollution, major sources, the impact on human health, and national efforts to tackle this critical issue.
The mean annual concentration of fine suspended particles of less than 2.5 microns in diameters is a common measure of air pollution. The mean is a population-weighted average for urban population in a country.
