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The Elemental Characteristics and Human Health Risk of PM 2.5 during Haze Episode and Non-Haze Episode in Chiang Rai Province, Thailand

Author

Listed:
  • Sarima Niampradit

    (Department of Social and Environmental Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand)

  • Wissanupong Kliengchuay

    (Department of Social and Environmental Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand)

  • Rachaneekorn Mingkhwan

    (Department of Social and Environmental Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand)

  • Suwalee Worakhunpiset

    (Department of Social and Environmental Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand)

  • Nuttapohn Kiangkoo

    (Department of Social and Environmental Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand)

  • Suntorn Sudsandee

    (School of Health Science, Mae Fah Luang University, Chiang Rai 57100, Thailand)

  • Anuttara Hongthong

    (School of Health Science, Mae Fah Luang University, Chiang Rai 57100, Thailand)

  • Weerayuth Siriratruengsuk

    (School of Health Science, Mae Fah Luang University, Chiang Rai 57100, Thailand)

  • Thunyaluk Muangsuwan

    (National Science and Technology Development Agency, Pathum Thani 12120, Thailand)

  • Kraichat Tantrakarnapa

    (Department of Social and Environmental Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand)

Abstract

Fine particle matter (PM 2.5 ) was directly related to seasonal weather, and has become the influencing factor of air quality that is harmful for human health in Chiang Rai province. The aims were determining the elemental composition in PM 2.5 and human health risk in haze (March 2021) and non-haze episodes (July–August 2021). Nine elements in PM 2.5 were measured by using an Atomic Absorption Spectrophotometer, and an enrichment factor was used to identify the emission source. The results showed that the average concentration of PM 2.5 was 63.07 μg/m 3 in haze episodes, and 25.00 μg/m 3 in a non-haze episode. The maximum concentration was 116.7 μg/m 3 in March. The majority of elements originated from anthropogenic sources. In haze episodes, PM 2.5 mean concentration was approximately 4.2 times that of the WHO guidelines (15 μg/m 3 24 h), and 1.3 times that of the Thai Ambient Air Quality Standard (50 μg/m 3 ). The analysis of backward air mass trajectory showed that transboundary and local sources significantly influenced PM 2.5 at the monitoring site in the sampling period. In the health risk assessment, the non-carcinogenic risk of Cd was the highest, with a Hazard Quotient (HQ) of 0.048, and the cancer risk of Cr was classified as the highest cancer risk, with the values of 1.29 × 10 −5 , higher than the minimum acceptable level.

Suggested Citation

  • Sarima Niampradit & Wissanupong Kliengchuay & Rachaneekorn Mingkhwan & Suwalee Worakhunpiset & Nuttapohn Kiangkoo & Suntorn Sudsandee & Anuttara Hongthong & Weerayuth Siriratruengsuk & Thunyaluk Muang, 2022. "The Elemental Characteristics and Human Health Risk of PM 2.5 during Haze Episode and Non-Haze Episode in Chiang Rai Province, Thailand," IJERPH, MDPI, vol. 19(10), pages 1-13, May.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:10:p:6127-:d:818162
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    References listed on IDEAS

    as
    1. Wissanupong Kliengchuay & Aronrag Cooper Meeyai & Suwalee Worakhunpiset & Kraichat Tantrakarnapa, 2018. "Relationships between Meteorological Parameters and Particulate Matter in Mae Hong Son Province, Thailand," IJERPH, MDPI, vol. 15(12), pages 1-13, December.
    2. Elwira Zajusz-Zubek & Konrad Kaczmarek & Anna Mainka, 2015. "Trace Elements Speciation of Submicron Particulate Matter (PM1) Collected in the Surroundings of Power Plants," IJERPH, MDPI, vol. 12(10), pages 1-19, October.
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