Air Quality Forecast Guidance for Harper, TX

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 30.30 N, longitude: 99.25 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 09/26, 4Z)
42
40
*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, 25 Sep  09 AM
17
23
Mon, 25 Sep  10 AM
23
22
Mon, 25 Sep  11 AM
30
23
Mon, 25 Sep  12 PM
35
24
Mon, 25 Sep  01 PM
38
26
Mon, 25 Sep  02 PM
39
28
Mon, 25 Sep  03 PM
40
30
Mon, 25 Sep  04 PM
40
33
Mon, 25 Sep  05 PM
41
36
Mon, 25 Sep  06 PM
42
38
Mon, 25 Sep   07 PM
40
39
Mon, 25 Sep   08 PM
41
40
Mon, 25 Sep   09 PM
40
40
Mon, 25 Sep   10 PM
36
40
Mon, 25 Sep   11 PM
33
39
Tue, 26 Sep   12 AM
31
38
Tue, 26 Sep   01 AM
29
36
Tue, 26 Sep   02 AM
27
35
Tue, 26 Sep   03 AM
24
33
Tue, 26 Sep   04 AM
22
30
Tue, 26 Sep   05 AM
21
28
Tue, 26 Sep   06 AM
21
26
Tue, 26 Sep   07 AM
20
24
Tue, 26 Sep   08 AM
16
22
Tue, 26 Sep   09 AM
16
21
Tue, 26 Sep   10 AM
26
21
Tue, 26 Sep   11 AM
34
22
Tue, 26 Sep   12 PM
38
24
Tue, 26 Sep   01 PM
42
27
Tue, 26 Sep   02 PM
44
30
Tue, 26 Sep   03 PM
46
33
Tue, 26 Sep   04 PM
46
37
Tue, 26 Sep   05 PM
46
40
Tue, 26 Sep   06 PM
46
43
Tue, 26 Sep   07 PM
44
44
Tue, 26 Sep   08 PM
39
44
Tue, 26 Sep   09 PM
32
43
Tue, 26 Sep   10 PM
28
41
Tue, 26 Sep   11 PM
25
38
Wed, 27 Sep   12 AM
27
36
Wed, 27 Sep   01 AM
24
33
Wed, 27 Sep   02 AM
22
30
Wed, 27 Sep   03 AM
21
27
Wed, 27 Sep   04 AM
21
25
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, 25 Sep  09 AM
0
0
Mon, 25 Sep  10 AM
0
0
Mon, 25 Sep  11 AM
0
0
Mon, 25 Sep  12 PM
0
0
Mon, 25 Sep  01 PM
0
0
Mon, 25 Sep  02 PM
0
0
Mon, 25 Sep  03 PM
0
0
Mon, 25 Sep  04 PM
0
0
Mon, 25 Sep  05 PM
0
0
Mon, 25 Sep  06 PM
0
0
Mon, 25 Sep  07 PM
0
0
Mon, 25 Sep  08 PM
0
0
Mon, 25 Sep  09 PM
0
0
Mon, 25 Sep  10 PM
0
0
Mon, 25 Sep  11 PM
0
0
Tue, 26 Sep  12 AM
0
0
Tue, 26 Sep  01 AM
0
0
Tue, 26 Sep  02 AM
0
0
Tue, 26 Sep  03 AM
0
0
Tue, 26 Sep  04 AM
0
0
Tue, 26 Sep  05 AM
0
0
Tue, 26 Sep  06 AM
0
0
Tue, 26 Sep  07 AM
0
0
Tue, 26 Sep  08 AM
0
0
Tue, 26 Sep  09 AM
0
0
Tue, 26 Sep  10 AM
0
0
Tue, 26 Sep  11 AM
0
0
Tue, 26 Sep  12 PM
0
0
Tue, 26 Sep  01 PM
0
0
Tue, 26 Sep  02 PM
0
0
Tue, 26 Sep  03 PM
0
0
Tue, 26 Sep  04 PM
0
0
Tue, 26 Sep  05 PM
0
0
Tue, 26 Sep  06 PM
0
0
Tue, 26 Sep  07 PM
0
0
Tue, 26 Sep  08 PM
0
0
National Weather Service Air Quality Program Page
Environmental Protection Agency AirNow Forecast Page
Graphical Air Quality Forecast Guidance
FAQ

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