Indoor environment factor

Suspended particulate matter (SPM)

Part of: Particulate matter (PM₂.₅ and PM₁₀)

Also: SPM

Solid and liquid particles small enough to remain suspended in air rather than settling out.

G-0043 · Updated 5 September 2026 · Coridum Research

In the literature

  1. Diverging trends of plasticizers (phthalates and non‑phthalates) in indoor and freshwater environments—why? (2022). Environmental Sciences Europe. doi:10.1186/s12302-022-00620-4 CKB 0921
  2. Zhang et al. Short-Term Effects of Primary and Secondary Particulate Matter on Ceramide Metabolism, Pro-Inflammatory Response, and Blood Coagulation (2024). doi:10.3390/toxics12030225 CKB 0598
  3. Zhang et al. Source Identification and Characterization of Indoor Particulate Matter in Potala Palace Museum (2023). doi:10.3390/buildings13092138 CKB 0308

Studies in the Coridum Knowledge Base in which this term is used. The definition follows standard usage in WHO, ISO and textbook sources; it is not quoted from these papers.

CKB = document number in the Coridum Knowledge Base, our curated library of peer-reviewed studies. Follow the DOI for the original paper.