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Substance Name: Particulate Matter
ID: D052638000


  • 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.

Classification Codes

  • Air Pollutants
  • Environmental Pollutants
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Links to Resources

Names and Synonyms

Name of Substance

  • Particulate Matter

MeSH Heading

  • Particulate Matter


  • Air Pollutants, Particulate
  • Airborne Particulate Matter
  • Ambient Particulate Matter

Registry Number

  • D052638000