Articles | Volume 21, issue 16
Research article
16 Aug 2021
Research article |  | 16 Aug 2021

Kinetics and impacting factors of HO2 uptake onto submicron atmospheric aerosols during the 2019 Air QUAlity Study (AQUAS) in Yokohama, Japan

Jun Zhou, Kei Sato, Yu Bai, Yukiko Fukusaki, Yuka Kousa, Sathiyamurthi Ramasamy, Akinori Takami, Ayako Yoshino, Tomoki Nakayama, Yasuhiro Sadanaga, Yoshihiro Nakashima, Jiaru Li, Kentaro Murano, Nanase Kohno, Yosuke Sakamoto, and Yoshizumi Kajii


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Short summary
HO2 radicals play key roles in tropospheric chemistry, their levels in ambient air not yet fully explained by sophisticated models. Here we measured HO2 uptake kinetics onto ambient aerosols in real time using a self-built online system and investigated the impacting factors on such processes by coupling with other instrumentations. The role of the HO2 uptake process in O3 formation is also discussed. Results give useful information for coordinated control of aerosol and ozone pollutants.
Final-revised paper