Fig. 1

Time series of meteorological conditions, ambient gases, PM2.5, and nitrogenous aerosol concentrations at the suburban HKUST site during the measurement period (29 November 2020–28 February 2021).

Time series of meteorological conditions, ambient gases, PM2.5, and nitrogenous aerosol concentrations at the suburban HKUST site during the measurement period (29 November 2020–28 February 2021).