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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 05/22, 4Z)
38
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)
6Z Model Run
8 Hour Average Ozone
Concentration (PPB)
6Z Model Run
Tue, 21 May  10 AM
28
16
Tue, 21 May  11 AM
33
19
Tue, 21 May  12 PM
36
22
Tue, 21 May  01 PM
37
26
Tue, 21 May  02 PM
38
29
Tue, 21 May  03 PM
38
32
Tue, 21 May  04 PM
36
34
Tue, 21 May  05 PM
34
35
Tue, 21 May  06 PM
30
35
Tue, 21 May   07 PM
26
34
Tue, 21 May   08 PM
21
32
Tue, 21 May   09 PM
14
29
Tue, 21 May   10 PM
9
26
Tue, 21 May   11 PM
5
22
Wed, 22 May   12 AM
5
18
Wed, 22 May   01 AM
11
15
Wed, 22 May   02 AM
14
13
Wed, 22 May   03 AM
16
12
Wed, 22 May   04 AM
12
11
Wed, 22 May   05 AM
14
11
Wed, 22 May   06 AM
7
10
Wed, 22 May   07 AM
3
10
Wed, 22 May   08 AM
6
10
Wed, 22 May   09 AM
21
12
Wed, 22 May   10 AM
32
14
Wed, 22 May   11 AM
36
16
Wed, 22 May   12 PM
39
20
Wed, 22 May   01 PM
40
23
Wed, 22 May   02 PM
42
28
Wed, 22 May   03 PM
42
32
Wed, 22 May   04 PM
42
37
Wed, 22 May   05 PM
41
39
Wed, 22 May   06 PM
38
40
Wed, 22 May   07 PM
32
40
Wed, 22 May   08 PM
23
38
Wed, 22 May   09 PM
9
34
Wed, 22 May   10 PM
10
30
Wed, 22 May   11 PM
17
27
Thu, 23 May   12 AM
17
24
Thu, 23 May   01 AM
16
20
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, 21 May  10 AM
0
0
Tue, 21 May  11 AM
0
0
Tue, 21 May  12 PM
0
0
Tue, 21 May  01 PM
0
0
Tue, 21 May  02 PM
0
0
Tue, 21 May  03 PM
0
0
Tue, 21 May  04 PM
0
0
Tue, 21 May  05 PM
0
0
Tue, 21 May  06 PM
0
0
Tue, 21 May  07 PM
0
0
Tue, 21 May  08 PM
0
0
Tue, 21 May  09 PM
0
0
Tue, 21 May  10 PM
0
0
Tue, 21 May  11 PM
0
0
Wed, 22 May  12 AM
0
0
Wed, 22 May  01 AM
0
0
Wed, 22 May  02 AM
0
0
Wed, 22 May  03 AM
0
0
Wed, 22 May  04 AM
0
0
Wed, 22 May  05 AM
0
0
Wed, 22 May  06 AM
0
0
Wed, 22 May  07 AM
0
0
Wed, 22 May  08 AM
0
0
Wed, 22 May  09 AM
0
0
Wed, 22 May  10 AM
0
0
Wed, 22 May  11 AM
0
0
Wed, 22 May  12 PM
0
0
Wed, 22 May  01 PM
0
0
Wed, 22 May  02 PM
0
0
Wed, 22 May  03 PM
0
0
Wed, 22 May  04 PM
0
0
Wed, 22 May  05 PM
0
0
Wed, 22 May  06 PM
0
0
Wed, 22 May  07 PM
0
0
Wed, 22 May  08 PM
0
0
Wed, 22 May  09 PM
0
0
Wed, 22 May  10 PM
0
0
Wed, 22 May  11 PM
0
0
Thu, 23 May  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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