Dynamics of the Typhoon Haitang Related High Ozone Episode over Hong Kong

Figure 2

Hong Kong meteorology and ozone in July 2005. Starting from the top are wind speed, wind direction, relative humidity, and visibility observed at the Hong Kong Observatory (HKO). The bottom chart shows ozone concentrations recorded at three air quality stations: Tung Chung (TC), Tap Mun (TM), and Tsuen Wan (TW). The dashed rectangle is demarcating the ozone episode days from nonepisode days.