Air Quality Forecast Guidance for Chapman Ranch, TX

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 27.70 N, longitude: 97.48 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 10/01, 4Z)
32
26
*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
Sat, 30 Sep  11 AM
25
16
Sat, 30 Sep  12 PM
32
17
Sat, 30 Sep  01 PM
28
19
Sat, 30 Sep  02 PM
25
20
Sat, 30 Sep  03 PM
22
22
Sat, 30 Sep  04 PM
22
23
Sat, 30 Sep  05 PM
24
25
Sat, 30 Sep  06 PM
26
26
Sat, 30 Sep   07 PM
29
26
Sat, 30 Sep   08 PM
23
25
Sat, 30 Sep   09 PM
22
24
Sat, 30 Sep   10 PM
24
24
Sat, 30 Sep   11 PM
23
24
Sun, 01 Oct   12 AM
21
24
Sun, 01 Oct   01 AM
17
23
Sun, 01 Oct   02 AM
19
22
Sun, 01 Oct   03 AM
16
21
Sun, 01 Oct   04 AM
18
20
Sun, 01 Oct   05 AM
16
19
Sun, 01 Oct   06 AM
12
18
Sun, 01 Oct   07 AM
10
16
Sun, 01 Oct   08 AM
23
17
Sun, 01 Oct   09 AM
18
17
Sun, 01 Oct   10 AM
24
17
Sun, 01 Oct   11 AM
28
19
Sun, 01 Oct   12 PM
31
20
Sun, 01 Oct   01 PM
32
22
Sun, 01 Oct   02 PM
28
24
Sun, 01 Oct   03 PM
25
26
Sun, 01 Oct   04 PM
24
26
Sun, 01 Oct   05 PM
25
27
Sun, 01 Oct   06 PM
27
27
Sun, 01 Oct   07 PM
31
28
Sun, 01 Oct   08 PM
26
27
Sun, 01 Oct   09 PM
24
26
Sun, 01 Oct   10 PM
25
26
Sun, 01 Oct   11 PM
26
26
Mon, 02 Oct   12 AM
22
26
Mon, 02 Oct   01 AM
20
25
Mon, 02 Oct   02 AM
22
24
Mon, 02 Oct   03 AM
22
23
Mon, 02 Oct   04 AM
22
23
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)
06Z Model Run
Sat, 30 Sep  11 AM
0
0
Sat, 30 Sep  12 PM
0
0
Sat, 30 Sep  01 PM
0
0
Sat, 30 Sep  02 PM
0
0
Sat, 30 Sep  03 PM
0
0
Sat, 30 Sep  04 PM
0
0
Sat, 30 Sep  05 PM
0
0
Sat, 30 Sep  06 PM
0
0
Sat, 30 Sep  07 PM
0
0
Sat, 30 Sep  08 PM
0
0
Sat, 30 Sep  09 PM
0
0
Sat, 30 Sep  10 PM
0
0
Sat, 30 Sep  11 PM
0
0
Sun, 01 Oct  12 AM
0
0
Sun, 01 Oct  01 AM
0
0
Sun, 01 Oct  02 AM
0
0
Sun, 01 Oct  03 AM
0
0
Sun, 01 Oct  04 AM
0
0
Sun, 01 Oct  05 AM
0
0
Sun, 01 Oct  06 AM
0
0
Sun, 01 Oct  07 AM
0
0
Sun, 01 Oct  08 AM
0
0
Sun, 01 Oct  09 AM
0
0
Sun, 01 Oct  10 AM
0
0
Sun, 01 Oct  11 AM
0
0
Sun, 01 Oct  12 PM
0
0
Sun, 01 Oct  01 PM
0
0
Sun, 01 Oct  02 PM
0
0
Sun, 01 Oct  03 PM
0
0
Sun, 01 Oct  04 PM
0
0
Sun, 01 Oct  05 PM
0
0
Sun, 01 Oct  06 PM
0
0
Sun, 01 Oct  07 PM
0
0
Sun, 01 Oct  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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