Trends of the (a) ozone profile, (b) RH, (c) time series of 8-hour average ozone (blue) and hourly mean carbon monoxide (red) concentrations, and (d) PV in Kaifeng between August 11 and August 15, 2019. (IMAGE)
Caption
Trends of the (a) ozone profile, (b) RH, (c) time series of 8-hour average ozone (blue) and hourly mean carbon monoxide (red) concentrations, and (d) PV in Kaifeng between August 11 and August 15, 2019.
Credit
Fei Zhao et al.
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