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https://www.lung.org/clean-air/outdoors/what-makes-air-unhealthy/particle-pollution Particle Pollution | American Lung Association Particle pollution, also called “particulate matter” or “soot,” refers to a mix of tiny solid and liquid particles that are in the air we breathe. american lung associationparticle pollution https://www.lung.org/research/sota/key-findings/short-term-particle-pollution Short-Term Particle Pollution | State of the Air | American Lung Association See key findings on increases and decreases in short-term particle pollution across the nation. american lung associationshort termparticle pollutionstateair https://www.epa.gov/pmcourse Particle Pollution and Your Patients' Health | US EPA This web area will offer health care providers a broad base of information on the exposure and health effects of fine particle pollution. particle pollutionyour patientshealthusepa https://www.lung.org/research/sota/key-findings/year-round-particle-pollution Year-Round Particle Pollution | State of the Air | American Lung Association See key findings on increases and decreases in year-round particle pollution in the State of the Air report. american lung associationyear roundparticle pollutionstateair https://www.momscleanairforce.org/issues/air-pollution/soot-pollution/ Particle Pollution: PM2.5 Soot Pollution Poisons Our Air Feb 13, 2026 - What is soot pollution? Dirty air PM2.5 particle pollution causes premature deaths each year caused by power plants, wildfires, and more. particle pollutionour airpm2poisons https://www.epa.gov/particle-pollution-designations Air Quality Designations for Particle Pollution | US EPA This area provides information on the process EPA, the states, and the tribes follow to designate areas as attainment (meeting) or nonattainment (not meeting)... air qualityparticle pollutiondesignationsusepa