| Ambient Air Quality Data for PM10 in the California-Baja California Border Region | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1996 | ||||||||||||
| County | Ref # | Pollutant Name | Units | # Obs. | Arith Mean | Std. Dev. | Geom. Mean | Std. Dev. | High Read | 2nd Hi Read. | Station | Highest 95% |
| IV | IV-3 | PM-10 | ug/m3 | 41 | 48.7 | 37.6 | 42 | 1.65 | 257 | 100 | Brawley | 71 |
| IV | IV-4 | PM-10 | ug/m3 | 31 | 42.8 | 18.5 | 39.1 | 1.55 | 83 | 80 | Calexico | 80 |
| IV | IV-4 | PM-10 | ug/m3 | 41 | 61.3 | 33.3 | 52.9 | 1.76 | 159 | 143 | Calexico | 130 |
| IV | IV-5 | PM-10 | ug/m3 | 3 | 66 | 34.7 | 58.4 | 1.91 | 96 | 74 | Calexico | 96 |
| IV | IV-5 | PM-10 | ug/m3 | 41 | 67.1 | 36.6 | 58.2 | 1.73 | 174 | 166 | Calexico | 125 |
| IV | IV-6 | PM-10 | ug/m3 | 41 | 49.2 | 54.6 | 38.1 | 1.9 | 359 | 110 | El Centro | 98 |
| IV | IV-7 | PM-10 | ug/m3 | 40 | 49.1 | 34.8 | 42.1 | 1.7 | 229 | 90 | Imperial | 88 |
| IV | IV-8 | PM-10 | ug/m3 | 37 | 77.5 | 47.4 | 68.4 | 1.6 | 280 | 192 | Imperial | 192 |
| MX | IV-9 | PM-10 | ug/m3 | 11 | 73 | 70.3 | 59.2 | 1.78 | 282 | 72 | Museo. Mx | 282 |
| MX | IV-10 | PM-10 | ug/m3 | 7 | 86 | 50.4 | 77.4 | 1.58 | 196 | 93 | UABC | 196 |
| MX | IV-11 | PM-10 | ug/m3 | 13 | 129.7 | 63.4 | 119.3 | 1.49 | 303 | 199 | PROFEPA | 303 |
| MX | IV-12 | PM-10 | ug/m3 | 6 | 55.8 | 16.1 | 53.7 | 1.37 | 78 | 63 | Buen Pastor | 78 |
| SD | SD-1-0 | PM-10 | ug/m3 | 34 | 46.2 | 14.6 | 43.9 | 1.38 | 79 | 77 | Chula Vista | 77 |
| SD | SD-1-1 | PM-10 | ug/m3 | 38 | 52.8 | 17.6 | 50.1 | 1.39 | 105 | 91 | Chula Vista | 91 |
| SD | SD-1-2 | PM-10 | ug/m3 | 37 | 35.6 | 9.1 | 34.6 | 1.28 | 60 | 58 | Chula Vista | 58 |
| SD | SD-1 | PM-10 | ug/m3 | 41 | 27.4 | 10 | 25.9 | 1.4 | 62 | 51 | Chula Vista | 40 |
| SD | SD-3 | PM-10 | ug/m3 | 41 | 25.8 | 8 | 24.6 | 1.38 | 44 | 43 | Escondido | 40 |
| SD | SD-4 | PM-10 | ug/m3 | 39 | 26.4 | 9.4 | 25 | 1.39 | 62 | 45 | Oceanside | 45 |
| SD | SD-4 | PM-10 | ug/m3 | 41 | 26.7 | 9.6 | 25.1 | 1.41 | 63 | 44 | Oceanside | 37 |
| SD | SD-5 | PM-10 | ug/m3 | 35 | 40.4 | 17.1 | 37.3 | 1.49 | 93 | 78 | Otay Mesa | 78 |
| SD | SD-7 | PM-10 | ug/m3 | 39 | 25.8 | 12.4 | 24.2 | 1.4 | 92 | 35 | 12th. Ave | 35 |
| SD | SD-8 | PM-10 | ug/m3 | 40 | 26.1 | 9.3 | 24.5 | 1.44 | 50 | 44 | Overland | 40 |
| TJ | SD-9 | PM-10 | ug/m3 | 40 | 54 | 27.2 | 49.7 | 1.47 | 190 | 88 | ITT | 82 |
