Emerging evidence supports a link between environmental factors—including air pollution
and chemical exposures, climate, and the built environment—and severe acute respiratory …

Air pollution is a complex mixture of gaseous and particulate components, each of which has
detrimental effects on human health. While the composition of air pollution varies greatly …

Cross-sectional studies—often defined as those in which exposure and outcome are
assessed at the same point in time—are frequently viewed as minimally informative for …

Ozone is a highly reactive, oxidative gas associated with adverse health outcome, including
mortality and morbidity. Data from monitoring sites worldwide show levels of ozone often …

The cardiovascular effects of inhaled particle matter (PM) are responsible for a substantial
morbidity and mortality attributed to air pollution. Ultrafine particles, like those in diesel …

New particle formation (NPF) represents the first step in the complex processes leading to
formation of cloud condensation nuclei. Newly formed nanoparticles affect human health, air …

Particulate matter (PM) is a key indicator of air pollution brought into the air by a variety of
natural and human activities. As it can be suspended over long time and travel over long …

The American Thoracic Society has previously published statements on what constitutes an
adverse effect on health of air pollution in 1985 and 2000. We set out to update and broaden …