Seasonal variations of particle number concentration and its relationship with PM2.5 mass concentration in industrial-residential airshed

Dahari N 1 , Muda K 2 , Latif MT 3 , Dominick D 4 , Hussein N 1 , Khan MF 5

Affiliations 

  • 1 Water and Environmental Engineering, School of Civil Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Johor Bahru, Johor, Malaysia
  • 2 Water and Environmental Engineering, School of Civil Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Johor Bahru, Johor, Malaysia. [email protected]
  • 3 School of Environmental and Natural Resource Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor, Malaysia
  • 4 Centre for Atmospheric Chemistry, University of Wollongong, Northfields Avenue, Wollongong, NSW, 2522, Australia
  • 5 Department of Chemistry, Faculty of Science, University of Malaya, 50603, Kuala Lumpur, Malaysia
Environ Geochem Health, 2021 Oct 01.
PMID: 34596792 DOI: 10.1007/s10653-021-01099-3

Abstract

The smaller particles that dominate the particle number concentration (PNC) in the ambient air only contribute to a small percentage of particulate matter (PM) mass concentration although present in high particle number concentration. These small particles may be neglected upon assessing the health impacts of the PM. Hence, the knowledge on the particle number concentration size distribution deserves greater attention than the particulate mass concentration. This study investigates the measurement of the particle mass concentrations (PM2.5) and PNC of 0.27 μm 

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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