| |
Sulfur Dioxide |
Source/Receptor Area |
Station No. |
No. Days of Data |
Max Conc.
in ppm 1-hour c) |
Max Conc.
in ppm 24-hour c) |
Average
Compared to Federal Standard d) AAM
in ppm |
N o. |
Location |
Los Angeles County |
1 |
Central LA |
087 |
333* |
0.05* |
0.010* |
0.0023* |
2 |
Northwest Coastal LA County |
091 |
-- |
-- |
-- |
-- |
3 |
Southwest Coastal LA County |
094 |
363 |
0.09 |
0.020 |
0.0040 |
4 |
South Coastal LA County |
072 |
360 |
0.05 |
0.011 |
0.0027 |
6 |
West San Fernando Valley |
074 |
-- |
-- |
-- |
-- |
7 |
Ecast San Fernando Valley |
069 |
346 |
0.01 |
0.003 |
0.0001 |
8 |
West San Gabriel Valley |
088 |
-- |
-- |
-- |
-- |
9 |
East San Gabriel Valley 1 |
060 |
-- |
-- |
-- |
-- |
9 |
East San Gabriel Valley 2 |
591 |
-- |
-- |
-- |
-- |
10 |
Pomona/Walnut Valley 1 |
075 |
-- |
-- |
-- |
-- |
11 |
South San Gabriel Valley |
085 |
-- |
-- |
-- |
-- |
12 |
South Central LA County |
084 |
-- |
-- |
-- |
-- |
12 |
South Central LA County |
801 |
-- |
-- |
-- |
-- |
13 |
Santa Clarita Valley |
089 |
-- |
-- |
-- |
-- |
Orange County |
16 |
North Orange County |
3177 |
-- |
-- |
-- |
-- |
17 |
Central Orange County |
3176 |
-- |
-- |
-- |
-- |
18 |
North Coastal Orange County |
3195 |
363 |
0.02 |
0.008 |
0.0007 |
19 |
Saddleback Valley 1 |
3186 |
-- |
-- |
-- |
-- |
19 |
Saddleback Valley 2 |
3812 |
-- |
-- |
-- |
-- |
Riverside County |
22 |
Norco/Corona |
4155 |
-- |
-- |
-- |
-- |
23 |
Metropolitan Riverside County 1 |
4144 |
358 |
0.03 |
0.011 |
0.0014 |
23 |
Metropolitan Riverside County 2 |
4146 |
-- |
-- |
-- |
-- |
24 |
Perris Valley |
4149 |
-- |
-- |
-- |
-- |
25 |
Lake Elsinore |
4158 |
-- |
-- |
-- |
-- |
29 |
Banning Airport |
4164 |
-- |
-- |
-- |
-- |
30 |
Coachella Valley 1** |
4137 |
|
|
|
|
30 |
Coachella Valley 2** |
4157 |
-- |
-- |
-- |
-- |
San Bernardino County |
32 |
Northwest San Bernardino Valley |
5175 |
|
|
|
|
33 |
Southwest San Bernardino Valley 1 |
5171 |
|
|
|
|
33 |
Southwest San Bernardino Valley 2 |
5817 |
|
|
|
|
34 |
Central San Bernardino Valley 1 |
5197 |
355 |
0.01 |
0.010 |
0.0018 |
34 |
Central San Bernardino Valley 2 |
5203 |
|
|
|
|
35 |
East San Bernardino Valley |
5204 |
|
|
|
|
37 |
Central San Bernardino Mountains |
5181 |
|
|
|
|
| |
District Max |
|
|
0.09 |
0.020 |
0.0040 |
