|
Within-season average outdoor concentrations at homes and central-site monitor |
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| Overall |
Summer |
Winter |
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| Pollutant |
Location |
N |
Mean (SD) |
Median |
N |
Mean (SD) |
Median |
N |
Mean (SD) |
Median |
|
|
||||||||||
| PM2.5 |
Outdoor |
59 |
13.9 (5.0) |
12.5 |
35 |
15.1 (5.7) |
13.8 |
24 |
12.2 (3.1) |
13.8 |
| (μg/m3) |
Central Site |
59 |
15.4 (6.1) |
14.6 |
35 |
17.0 (7.1) |
14.9 |
24 |
13.1 (3.4) |
12.9 |
| EC |
Outdoor |
58 |
0.52 (0.41) |
0.46 |
34 |
0.51 (0.51) |
0.39 |
24 |
0.54 (0.18) |
0.56 |
| (μg/m3) |
Central Site |
58 |
0.86 (0.34) |
0.83 |
34 |
1.01 (0.31) |
1.01 |
24 |
0.65 (0.27) |
0.61 |
| NO2 |
Outdoor |
52 |
17.2 (6.0) |
16.8 |
36 |
17.7 (6.4) |
17.3 |
16 |
16.3 (4.9) |
15.5 |
| (ppb) |
Central Site |
52 |
18.4 (3.9) |
17.9 |
36 |
17.3 (3.5) |
18.0 |
16 |
21.0 (3.4) |
21.3 |
Clougherty et al. Environmental Health 2008 7:17 doi:10.1186/1476-069X-7-17 |
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