Table 20 - Page 4
| Ambient Air Quality Data for the
San Diego-Tijuana Area |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 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-4 |
PM-10 |
ug/m3 |
94 |
63 |
29.1 |
11.7 |
27.2 |
1.45 |
75 |
69 |
45 |
| SD |
SD-4 |
PM-10 |
ug/m3 |
94 |
48 |
29.6 |
6.9 |
28.7 |
1.31 |
43 |
43 |
42 |
| SD |
SD-4 |
PM-10 |
ug/m3 |
95 |
56 |
30.2 |
14.5 |
27.3 |
1.57 |
83 |
82 |
57 |
| SD |
SD-4 |
PM-10 |
ug/m3 |
95 |
59 |
29.7 |
13.8 |
27 |
1.54 |
80 |
80 |
55 |
| SD |
SD-4 |
PM-10 |
ug/m3 |
96 |
39 |
26.4 |
9.4 |
25 |
1.39 |
62 |
45 |
45 |
| SD |
SD-4 |
PM-10 |
ug/m3 |
96 |
41 |
26.7 |
9.6 |
25.1 |
1.41 |
63 |
44 |
37 |
| SD |
SD-4 |
S. Dioxide |
ppm |
91 |
8403 |
0.0018 |
0.0025 |
0.0012 |
1.91 |
0.02 |
0.02 |
0.01 |
| SD |
SD-4 |
S. Dioxide |
ppm |
92 |
8414 |
0.0021 |
0.003 |
0.0013 |
2.15 |
0.02 |
0.02 |
0.01 |
| SD |
SD-5 |
CO |
ppm |
91 |
8358 |
1.16 |
0.77 |
0.94 |
1.97 |
14 |
10 |
3 |
| SD |
SD-5 |
CO |
ppm |
92 |
8546 |
1.16 |
0.71 |
0.98 |
1.85 |
8 |
8 |
2 |
| SD |
SD-5 |
CO |
ppm |
93 |
8335 |
1.07 |
0.65 |
0.91 |
1.78 |
8.3 |
7 |
2.3 |
| SD |
SD-5 |
CO |
ppm |
94 |
8267 |
0.96 |
0.67 |
0.78 |
1.9 |
6.4 |
6.4 |
2.2 |
| SD |
SD-5 |
CO |
ppm |
95 |
8292 |
1.05 |
0.68 |
0.89 |
1.8 |
8.5 |
7.7 |
2.3 |
| SD |
SD-5 |
CO |
ppm |
96 |
5528 |
1.04 |
0.62 |
0.9 |
1.75 |
12.4 |
9.4 |
2.1 |
| SD |
SD-5 |
N. Dioxide |
ppm |
93 |
8152 |
0.0191 |
0.0115 |
0.0159 |
1.91 |
0.088 |
0.083 |
0.042 |
| SD |
SD-5 |
N. Dioxide |
ppm |
94 |
8316 |
0.0201 |
0.0129 |
0.0164 |
1.96 |
0.128 |
0.115 |
0.045 |
| SD |
SD-5 |
N. Dioxide |
ppm |
95 |
8129 |
0.0211 |
0.0132 |
0.0175 |
1.91 |
0.114 |
0.106 |
0.047 |
| SD |
SD-5 |
N. Dioxide |
ppm |
96 |
5533 |
0.0189 |
0.0105 |
0.0164 |
1.71 |
0.082 |
0.079 |
0.04 |
| SD |
SD-5 |
Ozone |
ppm |
91 |
8440 |
0.0655 |
0.0202 |
0.0624 |
1.37 |
0.14 |
0.13 |
0.11 |
| SD |
SD-5 |
Ozone |
ppm |
92 |
8549 |
0.0578 |
0.0196 |
0.0547 |
1.39 |
0.13 |
0.13 |
0.09 |
| SD |
SD-5 |
Ozone |
ppm |
93 |
8410 |
0.0546 |
0.0178 |
0.0518 |
1.38 |
0.12 |
0.114 |
0.087 |
| SD |
SD-5 |
Ozone |
ppm |
94 |
8341 |
0.0562 |
0.0161 |
0.0539 |
1.33 |
0.118 |
0.106 |
0.084 |
| SD |
SD-5 |
Ozone |
ppm |
95 |
8305 |
0.0582 |
0.0197 |
0.055 |
1.4 |
0.162 |
0.114 |
0.093 |
| SD |
SD-5 |
Ozone |
ppm |
96 |
5542 |
0.0569 |
0.0166 |
0.0545 |
1.35 |
0.111 |
0.099 |
0.088 |
| SD |
SD-5 |
PM-10 |
ug/m3 |
93 |
62 |
46 |
26.7 |
39.9 |
1.71 |
159 |
125 |
102 |
| SD |
SD-5 |
PM-10 |
ug/m3 |
94 |
65 |
50.9 |
25.7 |
45.2 |
1.65 |
129 |
121 |
103 |
| SD |
SD-5 |
PM-10 |
ug/m3 |
95 |
59 |
47.6 |
28.8 |
39.8 |
1.86 |
121 |
118 |
109 |
| SD |
SD-5 |
PM-10 |
ug/m3 |
96 |
35 |
40.4 |
17.1 |
37.3 |
1.49 |
93 |
78 |
78 |
| SD |
SD-5 |
S. Dioxide |
ppm |
91 |
8411 |
0.0032 |
0.0046 |
0.0017 |
2.67 |
0.07 |
0.06 |
0.01 |
| SD |
SD-5 |
S. Dioxide |
ppm |
92 |
8522 |
0.0027 |
0.0047 |
0.0014 |
2.41 |
0.06 |
0.06 |
0.01 |
| SD |
SD-5 |
S. Dioxide |
ppm |
93 |
8405 |
0.0022 |
0.0022 |
0.0017 |
1.87 |
0.038 |
0.036 |
0.006 |
| SD |
SD-5 |
S. Dioxide |
ppm |
94 |
8329 |
0.003 |
0.0034 |
0.0023 |
1.95 |
0.062 |
0.045 |
0.008 |