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Visibility degradation in Hong Kong is related to the city's serious air pollution problems. To investigate the aerosols' optical properties and their relationship with the chemical composition and size distribution of the particles, a monitoring campaign was conducted at an urban site in the early winter period (from October to December, 2010). The particle light scattering coefficient (Bsp) and...
A comprehensive measurement program was undertaken in winter 2009 in a large urban city (Ji'nan) in North China Plain (NCP). The average concentrations of NO, NO 2 , NO x , NO y , SO 2 , O 3 , CO, PM 2.5 and BC during the program were 63.9±65.1ppb, 45.2±16.9ppb, 106.6±77.8ppb, 120.7±77.4ppb, 54.3±25.8ppb, 6.3±6.0ppb, 2138.3±1512.8ppb, 171.3±83.9μg/m...
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