609328.fig.0010a
(a)  Traffic
609328.fig.0010b
(b) Temperature
609328.fig.0010c
(c) Wind speed
609328.fig.0010d
(d) Wind speed (lag1)
609328.fig.0010e
(e) Relative Humidity
609328.fig.0010f
(f) Pressure
Figure 10: Estimated effects of meteorological variables for PM10, by season. Blue is Winter, red is Spring, orange is Summer, and violet is Fall.