(1) ambient ozone primarily spreads in the opposite direction of an air mass;
(2)
ozone concentration is more dependent on topography and the
surrounding terrain than the wind direction;
(3) the NeS SOO, NeS SAC, EeW SFO, and EeW SAMF phenomena occur during the northeaster, fore-southwester, southwester, and fore-northeaster monsoon months, respectively;