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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 05/27, 4Z)
46
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)

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

6Z Model Run
Tue, 26 May  09 AM
32
27
Tue, 26 May  10 AM
37
28
Tue, 26 May  11 AM
41
30
Tue, 26 May  12 PM
44
33
Tue, 26 May  01 PM
46
35
Tue, 26 May  02 PM
45
37
Tue, 26 May  03 PM
42
39
Tue, 26 May  04 PM
41
41
Tue, 26 May  05 PM
41
42
Tue, 26 May  06 PM
40
42
Tue, 26 May   07 PM
38
42
Tue, 26 May   08 PM
31
40
Tue, 26 May   09 PM
25
38
Tue, 26 May   10 PM
25
35
Tue, 26 May   11 PM
27
34
Wed, 27 May   12 AM
27
32
Wed, 27 May   01 AM
28
30
Wed, 27 May   02 AM
29
29
Wed, 27 May   03 AM
30
28
Wed, 27 May   04 AM
31
28
Wed, 27 May   05 AM
28
28
Wed, 27 May   06 AM
20
28
Wed, 27 May   07 AM
10
26
Wed, 27 May   08 AM
15
24
Wed, 27 May   09 AM
30
24
Wed, 27 May   10 AM
33
25
Wed, 27 May   11 AM
37
26
Wed, 27 May   12 PM
40
27
Wed, 27 May   01 PM
43
29
Wed, 27 May   02 PM
43
31
Wed, 27 May   03 PM
42
35
Wed, 27 May   04 PM
42
39
Wed, 27 May   05 PM
41
40
Wed, 27 May   06 PM
38
41
Wed, 27 May   07 PM
36
41
Wed, 27 May   08 PM
30
39
Wed, 27 May   09 PM
23
37
Wed, 27 May   10 PM
20
34
Wed, 27 May   11 PM
21
31
Thu, 28 May   12 AM
27
30
Thu, 28 May   01 AM
29
28
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, 26 May  06 AM
0
0
Tue, 26 May  07 AM
0
0
Tue, 26 May  08 AM
0
0
Tue, 26 May  09 AM
0
0
Tue, 26 May  10 AM
0
0
Tue, 26 May  11 AM
0
0
Tue, 26 May  12 PM
0
0
Tue, 26 May  01 PM
0
0
Tue, 26 May  02 PM
0
0
Tue, 26 May  03 PM
0
0
Tue, 26 May  04 PM
0
0
Tue, 26 May  05 PM
0
0
Tue, 26 May  06 PM
0
0
Tue, 26 May  07 PM
0
0
Tue, 26 May  08 PM
0
0
Tue, 26 May  09 PM
0
0
Tue, 26 May  10 PM
0
0
Tue, 26 May  11 PM
0
0
Wed, 27 May  12 AM
0
0
Wed, 27 May  01 AM
0
0
Wed, 27 May  02 AM
0
0
Wed, 27 May  03 AM
0
0
Wed, 27 May  04 AM
0
0
Wed, 27 May  05 AM
0
0
Wed, 27 May  06 AM
0
0
Wed, 27 May  07 AM
0
0
Wed, 27 May  08 AM
0
0
Wed, 27 May  09 AM
0
0
Wed, 27 May  10 AM
0
0
Wed, 27 May  11 AM
0
0
Wed, 27 May  12 PM
0
0
Wed, 27 May  01 PM
0
0
Wed, 27 May  02 PM
0
0
Wed, 27 May  03 PM
0
0
Wed, 27 May  04 PM
0
0
Wed, 27 May  05 PM
0
0
Wed, 27 May  06 PM
0
0
Wed, 27 May  07 PM
0
0
Wed, 27 May  08 PM
0
0
Wed, 27 May  09 PM
0
0
Wed, 27 May  10 PM
0
0
Wed, 27 May  11 PM
0
0
Thu, 28 May  12 AM
0
0

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Environmental Protection Agency AirNow Forecast Page
Graphical Air Quality Forecast Guidance
FAQ


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