Air Quality Forecast Guidance for Hemphill, TX

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 31.34 N, longitude: 93.84 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 03/19, 4Z)
36
35
*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, 19 Mar  12 AM
27
32
Tue, 19 Mar  01 AM
26
31
Tue, 19 Mar  02 AM
24
30
Tue, 19 Mar  03 AM
23
28
Tue, 19 Mar  04 AM
23
27
Tue, 19 Mar  05 AM
22
25
Tue, 19 Mar  06 AM
22
24
Tue, 19 Mar  07 AM
22
24
Tue, 19 Mar  08 AM
24
23
Tue, 19 Mar  09 AM
25
23
Tue, 19 Mar  10 AM
29
24
Tue, 19 Mar  11 AM
33
25
Tue, 19 Mar  12 PM
36
27
Tue, 19 Mar  01 PM
37
29
Tue, 19 Mar  02 PM
38
31
Tue, 19 Mar  03 PM
39
33
Tue, 19 Mar  04 PM
40
35
Tue, 19 Mar  05 PM
40
37
Tue, 19 Mar  06 PM
40
38
Tue, 19 Mar   07 PM
40
39
Tue, 19 Mar   08 PM
37
39
Tue, 19 Mar   09 PM
32
38
Tue, 19 Mar   10 PM
29
37
Tue, 19 Mar   11 PM
25
35
Wed, 20 Mar   12 AM
21
33
Wed, 20 Mar   01 AM
23
31
Wed, 20 Mar   02 AM
22
29
Wed, 20 Mar   03 AM
21
26
Wed, 20 Mar   04 AM
19
24
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, 19 Mar  12 AM
0
0
Tue, 19 Mar  01 AM
0
0
Tue, 19 Mar  02 AM
0
0
Tue, 19 Mar  03 AM
0
0
Tue, 19 Mar  04 AM
0
0
Tue, 19 Mar  05 AM
0
0
Tue, 19 Mar  06 AM
0
0
Tue, 19 Mar  07 AM
0
0
Tue, 19 Mar  08 AM
0
0
Tue, 19 Mar  09 AM
0
0
Tue, 19 Mar  10 AM
0
0
Tue, 19 Mar  11 AM
0
0
Tue, 19 Mar  12 PM
0
0
Tue, 19 Mar  01 PM
0
0
Tue, 19 Mar  02 PM
0
0
Tue, 19 Mar  03 PM
0
0
Tue, 19 Mar  04 PM
0
0
Tue, 19 Mar  05 PM
0
0
Tue, 19 Mar  06 PM
0
0
Tue, 19 Mar  07 PM
0
0
Tue, 19 Mar  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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