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1997 Carbon Monoxide Summary
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Carbon Monoxide |
Source
Receptor Area |
Station
No. |
No. Days of Data |
Max Conc. In
ppm 1-hour |
Max Conc. In
ppm 8-hour |
2nd High Conc ppm
8-hour |
No. Days Standard Exceeded a) |
|
Federal |
State |
|
No. |
Location |
³ 9.5
ppm
8-hr. |
>9.0
ppm
8-hr. |
>20
ppm
1-hr. |
|
Los Angeles County |
|
1 |
Central LA |
087 |
363 |
9 |
7.9 |
6.0 |
0 |
0 |
0 |
|
2 |
NW Coast LA Co. |
081 |
365 |
7 |
4.4 |
4.1 |
0 |
0 |
0 |
|
3 |
SW Coast LA Co. |
084 |
358 |
12 |
10.3 |
8.1 |
1 |
1 |
0 |
|
4 |
S Coast LA Co. |
072 |
365 |
9 |
6.7 |
6.4 |
0 |
0 |
0 |
|
6 |
W Sn Fernan V |
074 |
362 |
12 |
9.8 |
9.3 |
1 |
2 |
0 |
|
7 |
E Sn Fernan V |
069 |
353 |
9 |
7.4 |
7.0 |
0 |
0 |
0 |
|
8 |
W Sn Gabrl V |
088 |
361 |
8 |
6.0 |
5.3 |
0 |
0 |
0 |
|
9 |
E Sn Gabrl V 1 |
060 |
356 |
8 |
4.3 |
4.1 |
0 |
0 |
0 |
|
9 |
E Sn Gabrl V 2 |
591 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
10 |
Pomona/Wlnt V1 |
075 |
364 |
8 |
5.0 |
4.9 |
0 |
0 |
0 |
|
10 |
Pomona/Wlnt V2 |
108 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
11 |
S Sn Gabrl V |
085 |
346 |
9 |
6.2 |
6.0 |
0 |
0 |
0 |
|
12 |
S Cent L Co |
084 |
364 |
19 |
17.0 |
15.0 |
14 |
18 |
0 |
|
13 |
St. Clarita V |
089 |
363 |
7 |
6.8 |
6.3 |
0 |
0 |
0 |
|
Orange Couty |
|
16 |
N. Orange Co. |
3177 |
361 |
12 |
6.0 |
5.6 |
0 |
0 |
0 |
|
17 |
Cent Orange Co. |
3176 |
364 |
8 |
5.8 |
5.6 |
0 |
0 |
0 |
|
18 |
N. Coast Orange |
3195 |
364 |
7 |
5.8 |
5.0 |
0 |
0 |
0 |
|
19 |
Saddleback V |
3186 |
365 |
5 |
3.6 |
2.8 |
0 |
0 |
0 |
|
Riverside County |
|
22 |
Norco/Corona |
4155 |
-- |
-- |
5.8* |
-- |
-- |
-- |
-- |
|
23 |
Metro Riv Co. 1 |
4144 |
310* |
7* |
5.0 |
5.0* |
0* |
0* |
0* |
|
23 |
Metro Riv Co. 2 |
4146 |
364 |
11 |
-- |
4.7 |
0 |
0 |
0 |
|
24 |
Perris Valley |
4149 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
25 |
Lk Elsinore |
4158 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
26 |
Temecula |
4163 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
29 |
San Gorgonio Pk. |
4150 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
30 |
Coachella V1** |
4137 |
359 |
3 |
1.4 |
1.4 |
0 |
0 |
0 |
|
30 |
Coachella V2** |
4157 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
San Bernardino County |
|
32 |
NW SB V |
5175 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
33 |
SW SB V |
5171 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
34 |
Cent SB V 1 |
5197 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
34 |
Cent SB V 2 |
5203 |
323* |
8* |
6.0* |
6.0* |
0* |
0* |
0* |
|
35 |
E SB V |
5204 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
37 |
Cent SB Mtns |
5181 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
|
District Max |
|
19 |
17.0 |
17.0 |
14 |
18 |
0 |
ABBREVIATIONS USED IN AREA NAMES:
| LA = Los Angeles |
SB = San Bernardino |
Riv = Riverside |
Co = County |
| N = North |
S = South |
W = West |
E = East |
| V = Valley |
Lk = Lake |
P = Pass |
Cent = Central |
ppm - Parts Per Million parts of air, by
volume.
AAM = Annual Arithmetic Mean
-- - Pollutant not monitored.
*Less than 12 full months of data. May not be representative.
**Salton Sea Air Basin.
a) - The federal 1-hour standard (1-hour average CO > 35 ppm) was not exceeded.
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