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Cookstove Smoke Impact on Ambient Air Quality and Probable Consequences for Human Health in Rural Locations of Southern Nepal

Author

Listed:
  • Sagar Adhikari

    (International Centre for Integrated Mountain Development (ICIMOD), G.P.O. Box 3226, Kathmandu 44700, Nepal)

  • Parth Sarathi Mahapatra

    (International Centre for Integrated Mountain Development (ICIMOD), G.P.O. Box 3226, Kathmandu 44700, Nepal)

  • Chiranjibi Prasad Pokheral

    (National Trust for Nature Conservation (NTNC), Lalitpur 44700, Nepal)

  • Siva Praveen Puppala

    (International Centre for Integrated Mountain Development (ICIMOD), G.P.O. Box 3226, Kathmandu 44700, Nepal)

Abstract

Residential emission from traditional biomass cookstoves is a major source of indoor and outdoor air pollution in developing countries. However, exact quantification of the contribution of biomass cookstove emissions to outdoor air is still lacking. In order to address this gap, we designed a field study to estimate the emission factors of PM 2.5 (particulate matter of less than 2.5 µ diameter) and BC (black carbon) indoors, from cookstove smoke using biomass fuel and with smoke escaping outdoors from the roof of the house. The field study was conducted in four randomly selected households in two rural locations of southern Nepal during April 2017. In addition, real-time measurement of ambient PM 2.5 was performed for 20 days during the campaign in those two rural sites and one background location to quantify the contribution of cooking-related emissions to the ambient PM 2.5 . Emission factor estimates indicate that 66% of PM 2.5 and 80% of BC emissions from biomass cookstoves directly escape into ambient air. During the cooking period, ambient PM 2.5 concentrations in the rural sites were observed to be 37% higher than in the nearby background location. Based on the World Health Organization (WHO)’s AirQ+ model simulation, this 37% rise in ambient PM 2.5 during cooking hours can lead to approximately 82 cases of annual premature deaths among the rural population of Chitwan district.

Suggested Citation

  • Sagar Adhikari & Parth Sarathi Mahapatra & Chiranjibi Prasad Pokheral & Siva Praveen Puppala, 2020. "Cookstove Smoke Impact on Ambient Air Quality and Probable Consequences for Human Health in Rural Locations of Southern Nepal," IJERPH, MDPI, vol. 17(2), pages 1-21, January.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:2:p:550-:d:308958
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    References listed on IDEAS

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    1. Chen Chen & Scott Zeger & Patrick Breysse & Joanne Katz & William Checkley & Frank C Curriero & James M Tielsch, 2016. "Estimating Indoor PM2.5 and CO Concentrations in Households in Southern Nepal: The Nepal Cookstove Intervention Trials," PLOS ONE, Public Library of Science, vol. 11(7), pages 1-17, July.
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    Cited by:

    1. Shamiso Muteti-Fana & Jafta Nkosana & Rajen N. Naidoo, 2023. "Kitchen Characteristics and Practices Associated with Increased PM 2.5 Concentration Levels in Zimbabwean Rural Households," IJERPH, MDPI, vol. 20(10), pages 1-13, May.

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