aPM
10
is the 24-hr average concentrations estimated for the MOSTE location from airport visual range measurements. Poisson models also include humidity (1-day lag), temperature
(3-day moving average), loess smooth of daily mortality over time, and dummy variables for summer seasons for 1992, 1993, 1994, and 1995; rainy season in 1994; and winter in
1995. bp < 0.001. cp < 0.01. dp < 0.05. ep < 0.10.