Table 20 - Page 5
| Ambient Air Quality Data for the
San Diego-Tijuana Area |
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| COUNTY |
Ref |
Pollutant |
Unit. |
Yr |
No. of |
Arith. |
Std. |
Geom. |
Std. |
High |
2nd Hi |
Highest |
|
# |
|
|
|
Obs. |
Mean |
Dev. |
Mean |
Dev. |
Read. |
Read. |
95% |
| SD |
SD-5 |
S. Dioxide |
ppm |
95 |
8315 |
0.0035 |
0.0031 |
0.003 |
1.67 |
0.065 |
0.042 |
0.009 |
| SD |
SD-5 |
S. Dioxide |
ppm |
96 |
5541 |
0.0047 |
0.0045 |
0.0039 |
1.67 |
0.06 |
0.057 |
0.012 |
| SD |
SD-6 |
CO |
ppm |
91 |
8624 |
1.59 |
1.17 |
1.33 |
1.78 |
10 |
9 |
4 |
| SD |
SD-6 |
CO |
ppm |
92 |
8481 |
1.64 |
1.14 |
1.38 |
1.74 |
11 |
10 |
4 |
| SD |
SD-6 |
CO |
ppm |
93 |
8596 |
1.26 |
1.06 |
0.94 |
2.17 |
9.5 |
8.8 |
3.4 |
| SD |
SD-6 |
CO |
ppm |
94 |
8552 |
1.22 |
1.13 |
0.88 |
2.2 |
9.5 |
9.4 |
3.6 |
| SD |
SD-6 |
CO |
ppm |
95 |
7880 |
1.03 |
0.92 |
0.76 |
2.15 |
8.5 |
8.2 |
2.9 |
| SD |
SD-6 |
CO |
ppm |
96 |
5806 |
1 |
0.8 |
0.8 |
1.9 |
10 |
9.7 |
2.5 |
| SD |
SD-7 |
CO |
ppm |
91 |
8510 |
1.43 |
1.35 |
1 |
2.39 |
11 |
11 |
4 |
| SD |
SD-7 |
CO |
ppm |
92 |
8407 |
1.5 |
1.26 |
1.14 |
2.1 |
11 |
10 |
4 |
| SD |
SD-7 |
CO |
ppm |
93 |
8545 |
1.18 |
1.23 |
0.77 |
2.47 |
9.2 |
8.8 |
3.9 |
| SD |
SD-7 |
CO |
ppm |
94 |
8369 |
1.2 |
1.21 |
0.81 |
2.38 |
9.7 |
9 |
3.8 |
| SD |
SD-7 |
CO |
ppm |
95 |
8565 |
1.03 |
0.94 |
0.75 |
2.18 |
8 |
7.5 |
3 |
| SD |
SD-7 |
CO |
ppm |
96 |
5588 |
0.91 |
0.78 |
0.69 |
2.04 |
7.9 |
7.7 |
2.5 |
| SD |
SD-7 |
Lead |
ug/m3 |
91 |
57 |
0.029 |
0.018 |
0.026 |
1.57 |
0.09 |
0.08 |
0.08 |
| SD |
SD-7 |
Lead |
ug/m3 |
92 |
60 |
0.025 |
0.009 |
0.024 |
1.36 |
0.06 |
0.05 |
0.04 |
| SD |
SD-7 |
Lead |
ug/m3 |
93 |
50 |
0.018 |
0.018 |
0.013 |
2.13 |
0.07 |
0.07 |
0.07 |
| SD |
SD-7 |
Lead |
ug/m3 |
94 |
60 |
0.014 |
0.007 |
0.012 |
1.69 |
0.03 |
0.03 |
0.03 |
| SD |
SD-7 |
Lead |
ug/m3 |
95 |
59 |
0.017 |
0.013 |
0.013 |
2.21 |
0.06 |
0.06 |
0.05 |
| SD |
SD-7 |
Lead |
ug/m3 |
96 |
28 |
0.013 |
0.008 |
0.011 |
1.73 |
0.03 |
0.03 |
0.03 |
| SD |
SD-7 |
N. Dioxide |
ppm |
91 |
8486 |
0.0284 |
0.0211 |
0.022 |
2.07 |
0.16 |
0.14 |
0.07 |
| SD |
SD-7 |
N. Dioxide |
ppm |
92 |
8382 |
0.0268 |
0.0177 |
0.0217 |
1.96 |
0.14 |
0.14 |
0.06 |
| SD |
SD-7 |
N. Dioxide |
ppm |
93 |
8566 |
0.0228 |
0.0171 |
0.0164 |
2.4 |
0.13 |
0.125 |
0.055 |
| SD |
SD-7 |
N. Dioxide |
ppm |
94 |
8164 |
0.0239 |
0.0174 |
0.0181 |
2.19 |
0.127 |
0.125 |
0.055 |
| SD |
SD-7 |
N. Dioxide |
ppm |
95 |
8538 |
0.0237 |
0.0163 |
0.0184 |
2.13 |
0.14 |
0.122 |
0.055 |
| SD |
SD-7 |
N. Dioxide |
ppm |
96 |
5577 |
0.0201 |
0.0146 |
0.0153 |
2.16 |
0.112 |
0.1 |
0.048 |
| SD |
SD-7 |
Ozone |
ppm |
91 |
8521 |
0.0608 |
0.0213 |
0.0574 |
1.4 |
0.17 |
0.15 |
0.1 |
| SD |
SD-7 |
Ozone |
ppm |
92 |
8498 |
0.0501 |
0.0182 |
0.0471 |
1.43 |
0.13 |
0.12 |
0.08 |
| SD |
SD-7 |
Ozone |
ppm |
93 |
8616 |
0.0493 |
0.0163 |
0.0467 |
1.4 |
0.106 |
0.104 |
0.08 |
| SD |
SD-7 |
Ozone |
ppm |
94 |
8376 |
0.0473 |
0.0137 |
0.0452 |
1.37 |
0.093 |
0.087 |
0.073 |
| SD |
SD-7 |
Ozone |
ppm |
95 |
8509 |
0.0511 |
0.0154 |
0.0488 |
1.36 |
0.13 |
0.116 |
0.079 |
| SD |
SD-7 |
Ozone |
ppm |
96 |
5560 |
0.0491 |
0.0135 |
0.0473 |
1.33 |
0.105 |
0.089 |
0.074 |