Table 20 - Page 1
| 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-1 |
CO |
ppm |
91 |
8509 |
1.04 |
0.76 |
0.81 |
2.12 |
7 |
6 |
3 |
| SD |
SD-1 |
CO |
ppm |
92 |
8594 |
1.06 |
0.65 |
0.88 |
1.92 |
7 |
6 |
2 |
| SD |
SD-1 |
CO |
ppm |
93 |
8458 |
0.82 |
0.64 |
0.64 |
2.02 |
5.3 |
5 |
2.1 |
| SD |
SD-1 |
CO |
ppm |
94 |
8628 |
0.92 |
0.69 |
0.73 |
1.94 |
7.2 |
6.4 |
2.3 |
| SD |
SD-1 |
CO |
ppm |
95 |
8473 |
0.93 |
0.66 |
0.75 |
1.92 |
5.4 |
5 |
2.3 |
| SD |
SD-1 |
CO |
ppm |
96 |
5517 |
0.93 |
0.5 |
0.83 |
1.63 |
4.6 |
4.6 |
1.9 |
| SD |
SD-1 |
Lead |
ug/m3 |
91 |
29 |
0.0263 |
0.0248 |
0.0166 |
2.92 |
0.11 |
0.081 |
0.081 |
| SD |
SD-1 |
Lead |
ug/m3 |
92 |
28 |
0.0197 |
0.0178 |
0.0129 |
2.7 |
0.059 |
0.055 |
0.055 |
| SD |
SD-1 |
Lead |
ug/m3 |
93 |
27 |
0.01 |
0.0073 |
0.0072 |
2.46 |
0.023 |
0.023 |
0.023 |
| SD |
SD-1 |
Lead |
ug/m3 |
94 |
30 |
0.0111 |
0.0073 |
0.0086 |
2.2 |
0.036 |
0.021 |
0.021 |
| SD |
SD-1 |
Lead |
ug/m3 |
95 |
29 |
0.0141 |
0.0149 |
0.0085 |
2.88 |
0.061 |
0.045 |
0.045 |
| SD |
SD-1 |
Lead |
ug/m3 |
96 |
20 |
0.0149 |
0.0192 |
0.0075 |
3.29 |
0.075 |
0.046 |
0.046 |
| SD |
SD-1 |
N. Dioxide |
ppm |
91 |
8419 |
0.0235 |
0.0159 |
0.0192 |
1.87 |
0.12 |
0.11 |
0.05 |
| SD |
SD-1 |
N. Dioxide |
ppm |
92 |
8479 |
0.022 |
0.0134 |
0.0187 |
1.77 |
0.15 |
0.14 |
0.05 |
| SD |
SD-1 |
N. Dioxide |
ppm |
93 |
8512 |
0.0188 |
0.0124 |
0.0151 |
1.99 |
0.089 |
0.086 |
0.043 |
| SD |
SD-1 |
N. Dioxide |
ppm |
94 |
8625 |
0.0197 |
0.014 |
0.0151 |
2.16 |
0.101 |
0.098 |
0.047 |
| SD |
SD-1 |
N. Dioxide |
ppm |
95 |
8536 |
0.0197 |
0.0136 |
0.0153 |
2.14 |
0.098 |
0.09 |
0.047 |
| SD |
SD-1 |
N. Dioxide |
ppm |
96 |
5520 |
0.0181 |
0.0123 |
0.0145 |
1.99 |
0.079 |
0.077 |
0.043 |
| SD |
SD-1 |
Ozone |
ppm |
91 |
8453 |
0.0562 |
0.0196 |
0.053 |
1.42 |
0.15 |
0.14 |
0.09 |
| SD |
SD-1 |
Ozone |
ppm |
92 |
8565 |
0.0538 |
0.0206 |
0.0504 |
1.43 |
0.15 |
0.13 |
0.09 |
| SD |
SD-1 |
Ozone |
ppm |
93 |
8621 |
0.0514 |
0.0181 |
0.0485 |
1.4 |
0.133 |
0.113 |
0.086 |
| SD |
SD-1 |
Ozone |
ppm |
94 |
8651 |
0.0526 |
0.0144 |
0.0506 |
1.32 |
0.099 |
0.098 |
0.08 |
| SD |
SD-1 |
Ozone |
ppm |
95 |
8560 |
0.0571 |
0.016 |
0.055 |
1.32 |
0.14 |
0.113 |
0.086 |
| SD |
SD-1 |
Ozone |
ppm |
96 |
5524 |
0.0542 |
0.0129 |
0.0528 |
1.26 |
0.098 |
0.091 |
0.082 |
| SD |
SD-1 |
PM-10 |
ug/m3 |
91 |
62 |
34 |
14.4 |
31.1 |
1.54 |
73 |
72 |
64 |
| SD |
SD-1 |
PM-10 |
ug/m3 |
92 |
60 |
29 |
9.4 |
27.4 |
1.41 |
54 |
53 |
45 |
| SD |
SD-1 |
PM-10 |
ug/m3 |
93 |
60 |
27 |
10.9 |
24.7 |
1.55 |
56 |
51 |
47 |
| SD |
SD-1 |
PM-10 |
ug/m3 |
94 |
60 |
28 |
9 |
26.5 |
1.41 |
61 |
51 |
40 |
| SD |
SD-1 |
PM-10 |
ug/m3 |
95 |
59 |
32.4 |
16 |
29.2 |
1.59 |
103 |
77 |
69 |
| SD |
SD-1 |
PM-10 |
ug/m3 |
96 |
41 |
27.4 |
10 |
25.9 |
1.4 |
62 |
51 |
40 |
| SD |
SD-1 |
S. Dioxide |
ppm |
91 |
8512 |
0.0025 |
0.0046 |
0.0014 |
2.28 |
0.07 |
0.07 |
0.01 |
| SD |
SD-1 |
S. Dioxide |
ppm |
92 |
8634 |
0.0029 |
0.0062 |
0.0015 |
2.46 |
0.12 |
0.12 |
0.01 |