Articles | Volume 19, issue 23
Atmos. Chem. Phys., 19, 14677–14702, 2019
https://doi.org/10.5194/acp-19-14677-2019
Atmos. Chem. Phys., 19, 14677–14702, 2019
https://doi.org/10.5194/acp-19-14677-2019

Research article 05 Dec 2019

Research article | 05 Dec 2019

Regional sources of airborne ultrafine particle number and mass concentrations in California

Xin Yu et al.

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Latest update: 18 Sep 2021
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Short summary
Predictions and measurements of ultrafine particle number and mass concentrations were in overall good agreement at 14 sites across California in the years 2012, 2015, and 2016. On-road vehicles, food cooking, and aircraft were important sources of ultrafine particles as expected, but natural gas combustion was also a significant source at all locations across California. These results can be used to study the health effects of ultrafine particles.
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