Advances in Meteorology

Research Article

Meteorological Influences on Seasonal Variation of Fine Particulate Matter in Cities over Southern Ontario, Canada

Figure 9

Left: occurrence distribution of the surface meteorological conditions at Toronto in 2006 summer when hourly PM2.5 was <5  g/m3. Right: the same as on the left, but when hourly PM2.5 was >35  g/m3.
169476.fig.009a
(a) Temperature (°C)
169476.fig.009b
(b) Temperature (°C)
169476.fig.009c
(c) Relative humidity (%)
169476.fig.009d
(d) Relative humidity (%)
169476.fig.009e
(e) Station pressure (hPa)
169476.fig.009f
(f) Station pressure (hPa)
169476.fig.009g
(g) Wind speed (km/h)
169476.fig.009h
(h) Wind speed (km/h)
169476.fig.009i
(i) Wind direction (°)
169476.fig.009j
(j) Wind direction (°)