Effectiveness of various ventilation systems in reducing exposure to biomass related particles: A real-life experiment

Majdán, Marek; Svaro, Miroslav; Kralova, Zuzana; Muendo, Redempta; Taylor, Mark

doi:10.4103/1755-6783.157625

Cited by 2 publications

(1 citation statement)

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“…Ventilating the cooking area by having the door or any windows open during the active cooking period showed a statistically significant reduction of the 24-h mean concentration of PM 2.5 . Previous studies from different countries reported similar findings of lower pollution concentrations in houses with adequate ventilation practices and availability of more doors and windows [ 52 , 53 , 54 ]. Optimizing ventilation has been considered as an important practice for reducing the health risks [ 14 ].…”

Section: Discussionsupporting

confidence: 61%

High Levels of Fine Particulate Matter (PM2.5) Concentrations from Burning Solid Fuels in Rural Households of Butajira, Ethiopia

Tamire

Kumie

Addissie

et al. 2021

IJERPH

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The use of solid fuel, known to emit pollutants which cause damage to human health, is the primary energy option in Ethiopia. Thus, the aim of this study was to measure the level of household air pollution by using the 24-h mean concentration of fine particulate matter (PM2.5) in 150 randomly recruited households in rural Butajira, Ethiopia. Data relating to household and cooking practices were obtained by conducting face-to-face interviews with the mothers. The 24-h mean (standard deviation) and median PM2.5 concentrations were 410 (220) and 340 µg/m3, respectively. Households using only traditional stoves and those who did not open the door or a window during cooking had a significantly higher mean concentration compared with their counterparts. There is a statistically significant correlation between the mean concentration of PM2.5 and the self-reported cooking duration. The pollution level was up to 16 times higher than the WHO 24-h guideline limit of 25 μg/m3, thus leaving the mothers and children who spend the most time at the domestic hearth at risk of the adverse health effects from solid fuel use in Ethiopia. Thus, effective short- and long-term interventions are urgently needed.

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