Articles | Volume 22, issue 20
https://doi.org/10.5194/acp-22-13833-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-22-13833-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Long-term trends and drivers of aerosol pH in eastern China
Min Zhou
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
School of Atmospheric Sciences, Nanjing University, Nanjing 210023,
China
Guangjie Zheng
Minerva Research Group, Max Planck Institute for Chemistry, 55128 Mainz, Germany
Hongli Wang
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Liping Qiao
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Shuhui Zhu
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
DanDan Huang
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Jingyu An
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Shengrong Lou
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Shikang Tao
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Qian Wang
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Rusha Yan
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Yingge Ma
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Changhong Chen
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Yafang Cheng
Minerva Research Group, Max Planck Institute for Chemistry, 55128 Mainz, Germany
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
Multiphase Chemistry Department, Max Planck Institute for Chemistry, 55128 Mainz, Germany
Cheng Huang
State Environmental Protection Key Laboratory of the Cause and
Prevention of Urban Air Pollution Complex, Shanghai Academy of Environmental
Sciences, Shanghai 200233, China
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Short summary
The trend of aerosol pH and its drivers is crucial in understanding the multiphase formation pathways of aerosols. We reported the first trend analysis of aerosol pH from 2011 to 2019 in eastern China. Although significant variations of aerosol compositions were observed from 2011 to 2019, the aerosol pH estimated by model only slightly declined by 0.24. Our work shows that the opposite effects of SO42− and non-volatile cation changes play key roles in determining the moderate pH trend.
The trend of aerosol pH and its drivers is crucial in understanding the multiphase formation...
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