| IOP # | Number of Aethalometers in Operation | Average (ng/m3) | Median (ng/m3) | Max (ng/m3) | Min (ng/m3) | Standard Deviation (ng/m3) |
| 1a | 2 | 385 | 359 | 902 | 238 | 132 |
| 2a | 2 | 110 | 69 | 397 | 32 | 88 |
| 3a | 1 | 54 | 32 | 139 | 14 | 42 |
| 4a | 2 | 137 | 99 | 883 | 7 | 191 |
| 2b | 3 | 141 | 125 | 298 | 77 | 47 |
| 3b | 3 | 184 | 91 | 1060 | 4 | 245 |
| 4b | 3 | 626 | 237 | 16720 | 13 | 1996 |
| 5b | 4 | 511 | 194 | 18160 | 7 | 1843 |
| 6b | 4 | 167 | 77 | 1063 | 7 | 227 |
| 7b | 4 | 151 | 131 | 896 | 4 | 99 |
| 8b | 4 | 141 | 82 | 2006 | 7 | 252 |
| 9b | 4 | 192 | 100 | 4134 | 4 | 461 |
| 10b | 3 | 144 | 123 | 553 | 87 | 62 |
| Average | 226 | 132 | 3630 | 38 | 438 | |