Air Quality Forecast Guidance for Graham, TX

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 33.11 N, longitude: 98.56 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 05/17, 4Z)
59
54
*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)

6Z Model Run
8 Hour Average Ozone
Concentration (PPB)

6Z Model Run
Mon, 16 May  10 AM
26
32
Mon, 16 May  11 AM
32
30
Mon, 16 May  12 PM
37
30
Mon, 16 May  01 PM
44
30
Mon, 16 May  02 PM
50
32
Mon, 16 May  03 PM
52
36
Mon, 16 May  04 PM
51
39
Mon, 16 May  05 PM
51
43
Mon, 16 May  06 PM
52
46
Mon, 16 May   07 PM
53
49
Mon, 16 May   08 PM
55
51
Mon, 16 May   09 PM
59
53
Mon, 16 May   10 PM
53
54
Mon, 16 May   11 PM
45
53
Tue, 17 May   12 AM
44
52
Tue, 17 May   01 AM
43
50
Tue, 17 May   02 AM
41
49
Tue, 17 May   03 AM
38
47
Tue, 17 May   04 AM
35
45
Tue, 17 May   05 AM
32
41
Tue, 17 May   06 AM
30
38
Tue, 17 May   07 AM
27
36
Tue, 17 May   08 AM
26
34
Tue, 17 May   09 AM
32
33
Tue, 17 May   10 AM
39
32
Tue, 17 May   11 AM
46
33
Tue, 17 May   12 PM
51
35
Tue, 17 May   01 PM
54
38
Tue, 17 May   02 PM
58
42
Tue, 17 May   03 PM
60
46
Tue, 17 May   04 PM
60
50
Tue, 17 May   05 PM
60
53
Tue, 17 May   06 PM
59
56
Tue, 17 May   07 PM
58
57
Tue, 17 May   08 PM
55
58
Tue, 17 May   09 PM
50
58
Tue, 17 May   10 PM
48
56
Tue, 17 May   11 PM
50
55
Wed, 18 May   12 AM
51
54
Wed, 18 May   01 AM
48
52
Wed, 18 May   02 AM
45
51
Wed, 18 May   03 AM
41
48
Wed, 18 May   04 AM
39
46
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Mon, 16 May  10 AM
0
2
Mon, 16 May  11 AM
0
3
Mon, 16 May  12 PM
0
1
Mon, 16 May  01 PM
0
3
Mon, 16 May  02 PM
0
3
Mon, 16 May  03 PM
0
3
Mon, 16 May  04 PM
0
4
Mon, 16 May  05 PM
0
3
Mon, 16 May  06 PM
0
2
Mon, 16 May  07 PM
0
2
Mon, 16 May  08 PM
0
2
Mon, 16 May  09 PM
0
3
Mon, 16 May  10 PM
0
4
Mon, 16 May  11 PM
0
4
Tue, 17 May  12 AM
0
3
Tue, 17 May  01 AM
0
2
Tue, 17 May  02 AM
0
2
Tue, 17 May  03 AM
0
4
Tue, 17 May  04 AM
0
5
Tue, 17 May  05 AM
0
3
Tue, 17 May  06 AM
0
6
Tue, 17 May  07 AM
14
9
Tue, 17 May  08 AM
0
11
Tue, 17 May  09 AM
0
10
Tue, 17 May  10 AM
0
11
Tue, 17 May  11 AM
0
8
Tue, 17 May  12 PM
0
7
Tue, 17 May  01 PM
0
5
Tue, 17 May  02 PM
0
2
Tue, 17 May  03 PM
0
7
Tue, 17 May  04 PM
0
9
Tue, 17 May  05 PM
0
7
Tue, 17 May  06 PM
0
6
Tue, 17 May  07 PM
7
6
Tue, 17 May  08 PM
0
6
Tue, 17 May  09 PM
0
5
Tue, 17 May  10 PM
0
9
Tue, 17 May  11 PM
0
14
Wed, 18 May  12 AM
0
18

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Environmental Protection Agency AirNow Forecast Page
Graphical Air Quality Forecast Guidance
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