Pollutant - Wikipedia Pollutants result in environmental pollution or become of public health concern when they reach a concentration high enough to have significant negative impacts
Managing Air Quality - Air Pollutant Types | US EPA Describes the types of air pollutants, including common or criteria pollutants, and hazardous air pollutants and links to additional information Also links to resources on other air pollution issues
Air Pollutants | Air Quality | CDC Ground-level ozone and particle pollution are two of these criteria pollutants The other pollutants are carbon monoxide, lead, nitrogen oxides, and sulfur oxides Learn about outdoor air quality data and resources and how to use them When wildfires burn near you, smoke can reach your community
What Is a Pollutant? Types, Sources, and Examples Pollutants originate from both natural processes and human activities, with anthropogenic sources contributing significantly to environmental degradation Natural sources include volcanic eruptions, which release ash, sulfur dioxide, and other gases into the atmosphere
Air quality, energy and health Pollutants with the strongest evidence for public health concern include particulate matter (PM), carbon monoxide (CO), ozone (O 3), nitrogen dioxide (NO 2) and sulfur dioxide (SO 2) Health problems can occur as a result of both short- and long-term exposure to these various pollutants
Air Pollution and Your Health - National Institute of Environmental . . . Research published in 2023 tied two air pollutants, ozone and PM2 5, to asthma-related changes in children’s airways In a study of 50,000 women across the country, long-term exposure to PM2 5, PM10, and nitrogen dioxide were linked to chronic bronchitis
Pollutants and waste - Understanding Global Change Pollutants are substances released into ecosystems by human activities that decrease the quality of air, water, soil and food, and affect the health of human and non-human populations