Table 20 - Page 3
| 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-3 |
Ozone |
ppm |
93 |
8634 |
0.0582 |
0.0208 |
0.0546 |
1.43 |
0.154 |
0.124 |
0.093 |
| SD |
SD-3 |
Ozone |
ppm |
94 |
8575 |
0.0577 |
0.0187 |
0.0548 |
1.39 |
0.122 |
0.122 |
0.091 |
| SD |
SD-3 |
Ozone |
ppm |
95 |
8600 |
0.0585 |
0.0185 |
0.0555 |
1.4 |
0.154 |
0.109 |
0.087 |
| SD |
SD-3 |
Ozone |
ppm |
96 |
5742 |
0.0593 |
0.0188 |
0.0564 |
1.39 |
0.119 |
0.115 |
0.094 |
| SD |
SD-3 |
PM-10 |
ug/m3 |
93 |
61 |
31.8 |
15 |
28.6 |
1.6 |
96 |
75 |
54 |
| SD |
SD-3 |
PM-10 |
ug/m3 |
94 |
59 |
35.3 |
11.9 |
32.9 |
1.49 |
70 |
65 |
52 |
| SD |
SD-3 |
PM-10 |
ug/m3 |
95 |
55 |
30.8 |
14.4 |
27.5 |
1.66 |
70 |
63 |
63 |
| SD |
SD-3 |
PM-10 |
ug/m3 |
96 |
41 |
25.8 |
8 |
24.6 |
1.38 |
44 |
43 |
40 |
| SD |
SD-3 |
S. Dioxide |
ppm |
91 |
8561 |
0.0038 |
0.0044 |
0.002 |
2.92 |
0.07 |
0.04 |
0.01 |
| SD |
SD-3 |
S. Dioxide |
ppm |
92 |
8651 |
0.0046 |
0.0046 |
0.0024 |
3.09 |
0.02 |
0.02 |
0.01 |
| SD |
SD-4 |
S. Dioxide |
ppm |
91 |
8465 |
1.03 |
0.59 |
0.86 |
1.92 |
7 |
6 |
2 |
| SD |
SD-4 |
CO |
ppm |
92 |
8548 |
1.06 |
0.53 |
0.93 |
1.74 |
7 |
5 |
2 |
| SD |
SD-4 |
CO |
ppm |
93 |
8593 |
0.83 |
0.53 |
0.68 |
1.89 |
5.3 |
4 |
1.9 |
| SD |
SD-4 |
CO |
ppm |
94 |
8608 |
0.9 |
0.58 |
0.74 |
1.91 |
5.2 |
4.6 |
2 |
| SD |
SD-4 |
CO |
ppm |
95 |
8552 |
0.79 |
0.52 |
0.65 |
1.92 |
4.4 |
4.4 |
1.8 |
| SD |
SD-4 |
CO |
ppm |
96 |
5744 |
0.58 |
0.37 |
0.49 |
1.79 |
3.4 |
3.3 |
1.3 |
| SD |
SD-4 |
N. Dioxide |
ppm |
91 |
8328 |
0.0238 |
0.0158 |
0.0198 |
1.83 |
0.13 |
0.13 |
0.05 |
| SD |
SD-4 |
N. Dioxide |
ppm |
92 |
8244 |
0.0244 |
0.015 |
0.021 |
1.73 |
0.19 |
0.18 |
0.05 |
| SD |
SD-4 |
N. Dioxide |
ppm |
93 |
8351 |
0.0202 |
0.0127 |
0.0169 |
1.83 |
0.124 |
0.119 |
0.043 |
| SD |
SD-4 |
N. Dioxide |
ppm |
94 |
8475 |
0.0203 |
0.0133 |
0.0168 |
1.89 |
0.123 |
0.119 |
0.044 |
| SD |
SD-4 |
N. Dioxide |
ppm |
95 |
8481 |
0.0194 |
0.0123 |
0.0163 |
1.83 |
0.139 |
0.125 |
0.042 |
| SD |
SD-4 |
N. Dioxide |
ppm |
96 |
5735 |
0.0154 |
0.0108 |
0.0126 |
1.87 |
0.106 |
0.098 |
0.034 |
| SD |
SD-4 |
Ozone |
ppm |
91 |
8502 |
0.055 |
0.0201 |
0.0517 |
1.44 |
0.16 |
0.15 |
0.09 |
| SD |
SD-4 |
Ozone |
ppm |
92 |
8491 |
0.0518 |
0.0193 |
0.0487 |
1.43 |
0.15 |
0.13 |
0.09 |
| SD |
SD-4 |
Ozone |
ppm |
93 |
8536 |
0.0496 |
0.0191 |
0.0466 |
1.42 |
0.162 |
0.159 |
0.081 |
| SD |
SD-4 |
Ozone |
ppm |
94 |
8607 |
0.0494 |
0.0152 |
0.0471 |
1.37 |
0.109 |
0.109 |
0.077 |
| SD |
SD-4 |
Ozone |
ppm |
95 |
8552 |
0.0528 |
0.016 |
0.0504 |
1.37 |
0.11 |
0.102 |
0.081 |
| SD |
SD-4 |
Ozone |
ppm |
96 |
5748 |
0.0499 |
0.014 |
0.048 |
1.32 |
0.106 |
0.095 |
0.075 |
| SD |
SD-4 |
PM-10 |
ug/m3 |
91 |
60 |
36.8 |
15.4 |
34 |
1.5 |
81 |
79 |
71 |
| SD |
SD-4 |
PM-10 |
ug/m3 |
92 |
59 |
29.5 |
8.4 |
28.1 |
1.4 |
47 |
46 |
46 |
| SD |
SD-4 |
PM-10 |
ug/m3 |
93 |
15 |
35.8 |
16.7 |
32.7 |
1.53 |
75 |
66 |
75 |
| SD |
SD-4 |
PM-10 |
ug/m3 |
93 |
60 |
29.1 |
11.8 |
26.6 |
1.57 |
68 |
61 |
46 |