Air Quality Forecast Guidance for La Grange, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 37.69 N, longitude: 120.37 W.
Ozone concentrations are presented in parts per billion (PPB).
Public comments and suggestions are encouraged.

A FAQ page is available.
More information...
24Hr Maximum
Ending
Maximum 1 Hour Average Ozone
Concentration (PPB)*
Maximum 8 Hour Average Ozone
Concentration (PPB)*
Tomorrow
(Ending 10/23, 4Z)
57
50
*Due to grid interpolation methods, the maximum 1- and 8-hour ozone concentration values may have
values slightly higher or lower than those of the corresponding hourly ozone concentrations.

Ozone
Ending Time
1 Hour Average Ozone
Concentration (PPB)

12Z Model Run
8 Hour Average Ozone
Concentration (PPB)

12Z Model Run
Tue, 22 Oct  01 PM
44
30
Tue, 22 Oct  02 PM
47
33
Tue, 22 Oct  03 PM
50
37
Tue, 22 Oct  04 PM
54
41
Tue, 22 Oct   05 PM
57
45
Tue, 22 Oct   06 PM
56
48
Tue, 22 Oct   07 PM
50
50
Tue, 22 Oct   08 PM
43
50
Tue, 22 Oct   09 PM
37
49
Tue, 22 Oct   10 PM
32
47
Tue, 22 Oct   11 PM
27
44
Wed, 23 Oct   12 AM
23
41
Wed, 23 Oct   01 AM
22
36
Wed, 23 Oct   02 AM
22
32
Wed, 23 Oct   03 AM
23
28
Wed, 23 Oct   04 AM
24
26
Wed, 23 Oct   05 AM
25
25
Wed, 23 Oct   06 AM
22
23
Wed, 23 Oct   07 AM
22
23
Wed, 23 Oct   08 AM
21
23
Wed, 23 Oct   09 AM
21
22
Wed, 23 Oct   10 AM
27
23
Wed, 23 Oct   11 AM
37
25
Wed, 23 Oct   12 PM
42
27
Wed, 23 Oct   01 PM
44
29
Wed, 23 Oct   02 PM
47
33
Wed, 23 Oct   03 PM
51
36
Wed, 23 Oct   04 PM
54
40
Wed, 23 Oct   05 PM
56
45
Wed, 23 Oct   06 PM
56
48
Wed, 23 Oct   07 PM
54
50
Wed, 23 Oct   08 PM
48
51
Wed, 23 Oct   09 PM
38
51
Wed, 23 Oct   10 PM
27
48
Wed, 23 Oct   11 PM
26
45
Thu, 24 Oct   12 AM
29
42
Thu, 24 Oct   01 AM
29
38
Thu, 24 Oct   02 AM
30
35
Thu, 24 Oct   03 AM
32
32
Thu, 24 Oct   04 AM
32
30
Thu, 24 Oct   05 AM
35
30
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Tue, 22 Oct  12 PM
0
2
Tue, 22 Oct  01 PM
6
3
Tue, 22 Oct  02 PM
7
3
Tue, 22 Oct  03 PM
14
4
Tue, 22 Oct  04 PM
18
5
Tue, 22 Oct  05 PM
21
5
Tue, 22 Oct  06 PM
19
8
Tue, 22 Oct  07 PM
10
9
Tue, 22 Oct  08 PM
6
7
Tue, 22 Oct  09 PM
11
5
Tue, 22 Oct  10 PM
34
4
Tue, 22 Oct  11 PM
145
4
Wed, 23 Oct  12 AM
225
6
Wed, 23 Oct  01 AM
130
5
Wed, 23 Oct  02 AM
80
4
Wed, 23 Oct  03 AM
69
4
Wed, 23 Oct  04 AM
44
3
Wed, 23 Oct  05 AM
28
2
Wed, 23 Oct  06 AM
21
2
Wed, 23 Oct  07 AM
0
2
Wed, 23 Oct  08 AM
0
2
Wed, 23 Oct  09 AM
14
3
Wed, 23 Oct  10 AM
10
2
Wed, 23 Oct  11 AM
11
2
Wed, 23 Oct  12 PM
9
3
Wed, 23 Oct  01 PM
11
3
Wed, 23 Oct  02 PM
18
4
Wed, 23 Oct  03 PM
20
5
Wed, 23 Oct  04 PM
18
6
Wed, 23 Oct  05 PM
21
12
Wed, 23 Oct  06 PM
21
16
Wed, 23 Oct  07 PM
7
11
Wed, 23 Oct  08 PM
7
10
Wed, 23 Oct  09 PM
56
5
Wed, 23 Oct  10 PM
73
2

National Weather Service Air Quality Program Page
Environmental Protection Agency AirNow Forecast Page
Graphical Air Quality Forecast Guidance
FAQ


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