Probability of Death Attributable to Air Pollution
3% of all deaths
Annual probability in US
Air pollution contributes to approximately 100,000-200,000 premature deaths in the US annually, or roughly 3% of all deaths.
Outdoor air pollution, particularly fine particulate matter (PM2.5), is estimated to contribute to approximately 100,000-200,000 premature deaths annually in the United States, representing roughly 3% of all deaths. Globally, the WHO estimates that outdoor air pollution causes about 4.2 million premature deaths per year.
The primary health effects of air pollution include cardiovascular disease (heart attacks, stroke), respiratory disease (asthma exacerbations, COPD, lung cancer), and increasingly recognized neurological effects (cognitive decline, dementia). PM2.5 (particles smaller than 2.5 micrometers) is the most harmful pollutant, capable of penetrating deep into the lungs and entering the bloodstream. Studies show there is no safe threshold for PM2.5 exposure.
The Clean Air Act has been remarkably effective: since 1970, aggregate emissions of the six principal pollutants have declined by 78%, preventing an estimated 230,000 deaths per year by 2020. Despite this progress, about 40% of Americans still live in areas with unhealthy levels of air pollution. Vulnerable populations include children, the elderly, people with pre-existing lung or heart disease, outdoor workers, and communities near highways, industrial facilities, and wildfire-prone areas.
Use This in a Decision
Plug this probability into our expected value calculator to make a data-driven decision.
Start a Decision