Aerosol mass and size‑resolved metal content in urban Bangkok, Thailand
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Date
2022
Journal Title
Journal ISSN
Volume Title
Publisher
Springer
Abstract
Inhalable particulate matter (PM) is a health concern, and people living in large cities such as Bangkok are exposed to
high concentrations. This exposure has been linked to respiratory and cardiac diseases and cancers of the lung and brain.
Throughout 2018, PM was measured in northern Bangkok near a toll road (13.87°N, 100.58°E) covering all three seasons
(cool, hot and rainy). PM10 was measured in 24- and 72-h samples. On selected dates aerodynamic size and mass distribution
were measured as 3-day samples from a fxed 5th foor inlet. Particle number concentration was measured from the 5th foor
inlet and in roadside survey measurements. There was a large fraction of particle number concentration in the sub-micron
range, which showed the greatest variability compared with larger fractions. Metals associated with combustion sources were
most found on the smaller size fraction of particles, which may have implications for associated adverse health outcomes
because of the likely location of aerosol deposition in the distal airways of the lung. PM10 samples varied between 30 and
100 μg m−3, with highest concentrations in the cool season.
Description
Keywords
Air pollution, Ultrafine aerosols, Carcinogens, Automotive, Thailand
Citation
Matthews, J. C. et al. (2022). Aerosol mass and size‑resolved metal content in urban Bangkok, Thailand. Environmental Science and Pollution Research. https://doi.org/10.1007/s11356-022-20806-w