|
Pollutant
|
N*
|
Mean
|
SD
|
Min
|
IQR
|
Max
|
|---|
|
NAPS Measurements ≤ 50 km
|
|
TSP (μg/m3)
|
4027
|
60.0
|
16.9
|
22.3
|
21.4
|
114.1
|
|
Modeled PM2.5 (μg/m3)a
|
4027
|
17.0
|
2.5
|
11.9
|
3.4
|
25.7
|
|
NO2 (ppb)
|
3649
|
23.4
|
6.0
|
6.0
|
7.6
|
37.8
|
|
O3 (ppb)b
|
4382
|
21.0
|
3.9
|
7.0
|
5.3
|
32.6
|
|
Spatiotemporal IDW Interpolation
|
|
PM2.5 (μg/m3)
|
6833
|
11.3
|
2.6
|
3.6
|
3.9
|
19.0
|
|
NO2 (ppb)
|
6919
|
15.3
|
8.8
|
1.1
|
14.5
|
43.4
|
|
O3
b(ppb)
|
6919
|
23.2
|
3.7
|
12.9
|
4.6
|
35.4
|
|
Linear Regression Models
|
|
PM2.5 (μg/m3)
|
6833
|
9.1
|
1.9
|
4.7
|
2.2
|
16.1
|
|
NO2 (ppb)
|
6919
|
17.7
|
4.1
|
13.1
|
5.0
|
35.1
|
|
O3
b (ppb)
|
6919
|
26.4
|
3.4
|
18.1
|
4.7
|
37.2
|
- *Number of individuals with ≥ 15 complete exposure-years
-
a Modeled using TSP and CMA indicator variables as described previously in Table 1
-
b Summer (May through September) O3
