Articles | Volume 20, issue 23
Atmos. Chem. Phys., 20, 14581–14595, 2020
https://doi.org/10.5194/acp-20-14581-2020

Special issue: In-depth study of air pollution sources and processes within...

Atmos. Chem. Phys., 20, 14581–14595, 2020
https://doi.org/10.5194/acp-20-14581-2020

Research article 01 Dec 2020

Research article | 01 Dec 2020

Nationwide increase of polycyclic aromatic hydrocarbons in ultrafine particles during winter over China revealed by size-segregated measurements

Qingqing Yu et al.

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Cited articles

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We carried out a 1-year PM concurrent observation at 12 sites across six regions of China, and size-segregated PAHs were measured. We found both PAHs and BaPeq were concentrated in PM1.1, and northern China had higher PAHs' pollution and inhalation cancer risk than southern China. Nationwide increases in both PAH levels and inhalation cancer risk occurred in winter. We suggest reducing coal and biofuel consumption in the residential sector is an important option to mitigate PAHs' health risks.
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