Ozone |
Source/Receptor Area |
Station No. |
No. Days of Data |
Max Conc.
in ppm 1-hour |
Max Conc.
in ppm 8-hour |
Fourth High Max Conc. in ppm 8-hour |
No. Days Standard Exceeded |
Federal |
State |
No. |
Location |
> 0.12 ppm 1-hour |
> 0.08 ppm 8-hour |
> 0.09 ppm 1-hour |
Los Angeles County |
1 |
Central LA |
087 |
362 |
0.13 |
0.11 |
0.079 |
1 |
2 |
13 |
2 |
Northwest Coastal LA County |
091 |
365 |
0.12 |
0.08 |
0.069 |
0 |
0 |
4 |
3 |
Southwest Coastal LA County |
094 |
362 |
0.15 |
0.09 |
0.066 |
1 |
1 |
1 |
4 |
South Coastal LA County |
072 |
362 |
0.13 |
0.08 |
0.068 |
1 |
0 |
3 |
6 |
West San Fernando Valley |
074 |
365 |
0.10 |
0.09 |
0.081 |
0 |
1 |
5 |
7 |
East San Fernando Valley |
069 |
362 |
0.12 |
0.10 |
0.084 |
0 |
3 |
13 |
8 |
West San Gabriel Valley |
088 |
361 |
0.12 |
0.10 |
0.086 |
0 |
4 |
15 |
9 |
East San Gabriel Valley 1 |
060 |
339* |
0.14* |
0.10* |
0.095* |
2* |
9* |
24* |
9 |
East San Gabriel Valley 2 |
591 |
362 |
0.14 |
0.11 |
0.096 |
3 |
8 |
25 |
10 |
Pomona/Walnut Valley 1 |
075 |
358 |
0.14 |
0.10 |
0.089 |
2 |
10 |
19 |
11 |
South San Gabriel Valley |
085 |
363 |
0.12 |
0.10 |
0.080 |
0 |
2 |
6 |
12 |
South Central LA County |
084 |
363 |
0.12 |
0.06 |
0.041 |
0 |
0 |
1 |
12 |
South Central LA County |
801 |
342* |
0.16* |
0.09* |
0.083* |
1* |
2* |
6* |
13 |
Santa Clarita Valley |
089 |
357 |
0.12 |
0.10 |
0.095 |
0 |
13 |
18 |
Orange County |
16 |
North Orange County |
3177 |
365 |
0.12 |
0.09 |
0.078 |
0 |
1 |
6 |
17 |
Central Orange County |
3176 |
157* |
0.10* |
0.08* |
0.061* |
0* |
0* |
1* |
18 |
North Coastal Orange County |
3195 |
350 |
0.10 |
0.08 |
0.070 |
0 |
0 |
1 |
19 |
Saddleback Valley 1 |
3186 |
361 |
0.10 |
0.08 |
0.071 |
0 |
0 |
2 |
19 |
Saddleback Valley 2 |
3812 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
Riverside County |
22 |
Norco/Corona |
4155 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
23 |
Metropolitan Riverside County 1 |
4144 |
359 |
0.14 |
0.11 |
0.104 |
3 |
27 |
38 |
23 |
Metropolitan Riverside County 2 |
4146 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
24 |
Perris Valley |
4149 |
365 |
0.11 |
0.10 |
0.091 |
0 |
7 |
10 |
25 |
Lake Elsinore |
4158 |
360 |
0.14 |
0.13 |
0.106 |
4 |
37 |
51 |
29 |
Banning Airport |
4164 |
358 |
0.14 |
0.13 |
0.114 |
5 |
33 |
55 |
30 |
Coachella Valley 1** |
4137 |
349 |
0.13 |
0.11 |
0.098 |
1 |
21 |
27 |
30 |
Coachella Valley 2** |
4157 |
358 |
0.13 |
0.11 |
0.089 |
1 |
7 |
13 |
San Bernardino County |
32 |
Northwest San Bernardino Valley |
5175 |
361 |
0.15 |
0.12 |
0.103 |
4 |
17 |
29 |
33 |
Southwest San Bernardino Valley 1 |
5171 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
33 |
Southwest San Bernardino Valley 2 |
5817 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
34 |
Central San Bernardino Valley 1 |
5197 |
365 |
0.14 |
0.10 |
0.098 |
4 |
16 |
26 |
34 |
Central San Bernardino Valley 2 |
5203 |
355 |
0.16 |
0.13 |
0.115 |
14 |
31 |
45 |
35 |
East San Bernardino Valley |
5204 |
365 |
0.15 |
0.13 |
0.115 |
12 |
39 |
59 |
37 |
Central San Bernardino Mountains |
5181 |
365 |
0.17 |
0.14 |
0.133 |
30 |
90 |
93 |
| |
District Max |
|
|
0.17 |
0.14 |
0.133 |
30 |
90 |
93 |
