Atmospheric gaseous mercury and associated health risk assessment in the economic capital of India

Rao, M. Nageswar; Latha, R.; Nikhil, K.; Murthy, B. S.

doi:10.1007/s10661-024-12679-y

Environ Monit Assess

2024

DOI: 10.1007/s10661-024-12679-y

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Atmospheric gaseous mercury and associated health risk assessment in the economic capital of India

M. Nageswar Rao,

R. Latha,

K. Nikhil

et al.

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Cited by 2 publications

References 58 publications

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Total gaseous mercury in Kathmandu, a South Asian metropolis: Temporal variations, sources apportionment and health risk assessment

Rawat,

Yin,

Sharma

et al. 2025

Journal of Hazardous Materials

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Total gaseous mercury in Kathmandu, a South Asian metropolis: Temporal variations, sources apportionment and health risk assessment

Rawat,

Yin,

Sharma

et al. 2025

Journal of Hazardous Materials

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Long-Term Variation Characteristics and Health Risks of Atmospheric Hg in the Largest City in Northwestern China

Pang,

Xu,

Yang

et al. 2024

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In this study, gaseous element mercury (GEM) and gaseous oxidized mercury (GOM) in the atmosphere were continuously observed at a minute resolution from 1 April 2019 to 31 December 2020 in urban Xi’an, the largest central city in Northwestern China. The concentrations of GEM and GOM drastically fluctuated within the ranges of 0.022–297 ng/m3 and 0.092–381 pg/m3, showing average values of 5.78 ± 7.36 ng/m3 and 14.2 ± 20.8 pg/m3, respectively. GEM and GOM showed a decreasing trend of 0.121 ng/m3 and 0.472 pg/m3 per month, respectively, which we believe was mainly caused by anthropogenic sources, especially by a reduction in coal-fired emissions, rather than meteorological factors. The significant positive correlation between GEM and PM2.5, SO2, NO2, and CO, as well as Cr, As, and Pb in PM2.5 also proves that. GEM showed a higher concentration at nighttime than daytime, while an M-shaped diurnal trend was observed for GOM. The hazard quotient of GEM for both males and females decreased at a rate of 0.003 per month, and children aged 2–5 were more sensitive to non-carcinogenic health risks. The changing trends, controlling factors, and human health risks of Hg in the atmosphere are necessary and crucial to study for improving our understanding of the impacts of Hg in Northwestern China.

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Atmospheric gaseous mercury and associated health risk assessment in the economic capital of India

Cited by 2 publications

References 58 publications

Total gaseous mercury in Kathmandu, a South Asian metropolis: Temporal variations, sources apportionment and health risk assessment

Total gaseous mercury in Kathmandu, a South Asian metropolis: Temporal variations, sources apportionment and health risk assessment

Long-Term Variation Characteristics and Health Risks of Atmospheric Hg in the Largest City in Northwestern China

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