Jul 24, 2025 · 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 …

Oct 24, 2024 · Addressing air pollution, which is the second highest risk factor for noncommunicable diseases, is key to protecting public health. Most sources of outdoor air pollution are well beyond the …

Oct 4, 2024 · An air quality index (AQI), or Air quality and health index (AQHI) or Air pollution index (API) is a common tool for the reporting and communication of the state of air quality at the city or at …

Sep 22, 2021 · Air pollution originates from numerous sources of emission, both natural and anthropogenic (resulting from human activity). The main sources of anthropogenic air pollution can …

Sep 22, 2021 · Air pollution is one of the biggest environmental threats to human health, alongside climate change. New guidelines provide clear evidence of the damage air pollution inflicts on human …

Feb 21, 2022 · Air pollution can occur in both outdoor and indoor settings and affects health. High emissions of health-damaging pollutants such as particulate matter (PM) and carbon monoxide (CO) …

Jul 17, 2025 · These standards form part of a broader legislative framework that includes measures like source control, land use planning, and transportation policies. Strong air quality laws, supported by …

WHO monitors the exposure of air pollution and its health impacts (deaths, DALYs) at the national, regional and global level from ambient (outdoor) and household air pollution. Such estimates are …

Dec 16, 2025 · WHO fact sheet on indoor air pollution: includes key facts, definition, impact on health, impact on health equity, WHO response.

Air quality, energy and health The unit provides technical support to WHO’s Member States in the development of normative guidance, tools and provision of authoritative advice on health issues …