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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.
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.
7 Σεπ 2021 · Air pollution is the greatest environmental threat to public health globally and accounts for more than 8 million premature deaths every year. Air pollution and climate change are closely linked as all major pollutants have an impact on the climate and most share common sources with greenhouse gases.
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.
29 Ιουλ 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.
This article published in the WHO bulletin in 2023, presents an overview of close to 50 years of WHO's activities in gathering air quality data and their use in global assessments and efforts to reduce health risks caused by air pollution.
The Global Burden of Disease study estimates that millions of deaths are attributed to outdoor air pollution.1. There is also growing evidence that long-term exposure to air pollution can have important impacts on other aspects of health and well-being – such as cognitive function.
