Air Quality Forecast Guidance for Houston, TX

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 29.77 N, longitude: 95.39 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 04/21, 4Z)
49
43
*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
Sun, 20 Apr  09 PM
21
38
Sun, 20 Apr  10 PM
16
34
Sun, 20 Apr  11 PM
16
30
Mon, 21 Apr  12 AM
16
26
Mon, 21 Apr  01 AM
12
23
Mon, 21 Apr  02 AM
11
19
Mon, 21 Apr  03 AM
11
16
Mon, 21 Apr  04 AM
11
14
Mon, 21 Apr  05 AM
11
13
Mon, 21 Apr  06 AM
10
12
Mon, 21 Apr  07 AM
9
11
Mon, 21 Apr  08 AM
8
10
Mon, 21 Apr  09 AM
14
11
Mon, 21 Apr  10 AM
26
12
Mon, 21 Apr  11 AM
35
16
Mon, 21 Apr  12 PM
40
19
Mon, 21 Apr  01 PM
46
24
Mon, 21 Apr  02 PM
51
29
Mon, 21 Apr  03 PM
50
34
Mon, 21 Apr  04 PM
49
39
Mon, 21 Apr  05 PM
48
43
Mon, 21 Apr  06 PM
46
46
Mon, 21 Apr   07 PM
42
46
Mon, 21 Apr   08 PM
34
46
Mon, 21 Apr   09 PM
27
43
Mon, 21 Apr   10 PM
24
40
Mon, 21 Apr   11 PM
25
37
Tue, 22 Apr   12 AM
21
33
Tue, 22 Apr   01 AM
17
30
Tue, 22 Apr   02 AM
12
25
Tue, 22 Apr   03 AM
10
21
Tue, 22 Apr   04 AM
10
18
Tue, 22 Apr   05 AM
9
16
Tue, 22 Apr   06 AM
8
14
Tue, 22 Apr   07 AM
6
12
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Sun, 20 Apr  09 PM
0
0
Sun, 20 Apr  10 PM
0
0
Sun, 20 Apr  11 PM
0
0
Mon, 21 Apr  12 AM
0
0
Mon, 21 Apr  01 AM
0
0
Mon, 21 Apr  02 AM
0
0
Mon, 21 Apr  03 AM
0
0
Mon, 21 Apr  04 AM
0
0
Mon, 21 Apr  05 AM
0
0
Mon, 21 Apr  06 AM
0
0
Mon, 21 Apr  07 AM
0
0
Mon, 21 Apr  08 AM
0
0
Mon, 21 Apr  09 AM
0
0
Mon, 21 Apr  10 AM
0
0
Mon, 21 Apr  11 AM
0
0
Mon, 21 Apr  12 PM
0
0
Mon, 21 Apr  01 PM
0
0
Mon, 21 Apr  02 PM
0
0
Mon, 21 Apr  03 PM
0
0
Mon, 21 Apr  04 PM
0
0
Mon, 21 Apr  05 PM
0
0
Mon, 21 Apr  06 PM
0
0
Mon, 21 Apr  07 PM
0
0
Mon, 21 Apr  08 PM
0
0
Mon, 21 Apr  09 PM
0
0
Mon, 21 Apr  10 PM
0
0
Mon, 21 Apr  11 PM
0
0
Tue, 22 Apr  12 AM
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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