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Transport characteristics of haze episode over ulsan, South Korea

PM2.5 is the particulate matter with aerodynamic diameter of 2.5 µm or less, which is the root cause of haze event. Although there is no detailed standard for haze episode, haze is generally defined as a phenomenon characterized by visibility of ~8km, high concentration of particulate matter, relative humidity of less than 90%, following by certain weather conditions of very low wind speed of |