Particles of any solid substance, generally under 30 microns in size, often noted as PM30. There is special concern with PM1 which can get down to PULMONARY ALVEOLI and induce MACROPHAGE ACTIVATION and PHAGOCYTOSIS leading to FOREIGN BODY REACTION and LUNG DISEASES.
Also Known As:
Air Pollutants, Particulate; Airborne Particulate Matter; Ambient Particulate Matter; Fiber, Ultrafine; Particle, Ultrafine; Particles, Ultrafine; Particulate Air Pollutants; Particulate Matter, Airborne; Particulate Matter, Ambient; Particulate Matter, Ultrafine; Ultrafine Fiber; Ultrafine Fibers; Ultrafine Particle; Ultrafine Particles; Ultrafine Particulate Matter