| # person-months | Mean ± SD |
---|---|---|
 | (# subjects) | ( μ g/m3) |
All Year | Â | Â |
Total Personal PM2.5 | 919 (490) | 24.54 ± 18.97 |
Personal PM2.5 of ambient origin | 261 (141) | 9.71 ± 4.32 |
Personal/Ambient ratio a | 241 (131) | 0.64 ± 0.25 |
Model Predicted PM2.5 | 1029 (502) | 15.47 ± 4.77 |
Monitor PM2.5 | 1029 (502) | 15.86 ± 5.58 |
Summer | Â | Â |
Total Personal PM2.5 | 429 (312) | 23.92 ± 16.92 |
Personal PM2.5 of ambient origin | 130 (90) | 10.95 ± 4.12 |
Personal/Ambient ratio a | 125 (86) | 0.70 ± 0.23 |
Model Predicted PM2.5 | 493 (327) | 15.67 ± 4.84 |
Monitor PM2.5 | 493 (327) | 15.69 ± 4.79 |
Winter | Â | Â |
Total Personal PM2.5 | 490 (353) | 23.94 ± 19.67 |
Personal PM2.5 of ambient origin | 131 (97) | 8.73 ± 4.27 |
Personal/Ambient ratio a | 116 (87) | 0.59 ± 0.24 |
Model Predicted PM2.5 | 536 (367) | 15.36 ± 4.71 |
Monitor PM2.5 | 536 (367) | 16.10 ± 6.21 |