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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.
6.7 million. deaths each year from exposure to ambient and household air pollution. Household exposure. 2.3 billion. people primarily rely on polluting fuels and technologies for cooking in 2021. Ambient exposure. 99%. of the world’s population live in places where air pollution levels exceed WHO guideline limits.
4 de abr. de 2022 · Français. Русский. Español. Almost the entire global population (99%) breathes air that exceeds WHO air quality limits, and threatens their health. A record number of over 6000 cities in 117 countries are now monitoring air quality, but the people living in them are still breathing unhealthy levels of fine particulate matter and ...
7 de sept. de 2021 · Published 7 Sep 2021 Updated 6 Sep 2023. Current state. Sources per sector. Impact. Policy actions. By country. Data and notes. Current state. In 2019, 99% of the world population was living in places where the WHO’s strictest 2021 air quality guideline levels were not met. As a multiple of the WHO's guideline (5 µg/m 3) AQG. x1. IT4. 2. IT3. 3.
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.
Contents. Outdoor air pollution is one of the world's largest health and environmental problems – one that tends to worsen for countries as they industrialize and transition from low to middle incomes. The Global Burden of Disease study estimates that millions of deaths are attributed to outdoor air pollution. 1.
Globally, the top ten countries with the highest mean exposure to ambient pollution include Nepal (more than double the world average) and India in South Asia; Niger, Cameroon, Nigeria, and Chad in Sub-Saharan Africa; and Qatar, Saudi Arabia, Egypt, and Bahrain in the Middle East and North Africa region.
