Air Quality Forecast Guidance for Castle Hills, TX

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 29.53 N, longitude: 98.53 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 05/30, 4Z)
61
56
*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
Mon, 29 May  01 PM
58
35
Mon, 29 May  02 PM
61
39
Mon, 29 May  03 PM
58
43
Mon, 29 May  04 PM
54
47
Mon, 29 May  05 PM
49
51
Mon, 29 May  06 PM
53
54
Mon, 29 May   07 PM
56
55
Mon, 29 May   08 PM
56
56
Mon, 29 May   09 PM
50
55
Mon, 29 May   10 PM
40
52
Mon, 29 May   11 PM
35
49
Tue, 30 May   12 AM
29
46
Tue, 30 May   01 AM
27
43
Tue, 30 May   02 AM
26
40
Tue, 30 May   03 AM
27
36
Tue, 30 May   04 AM
27
32
Tue, 30 May   05 AM
28
30
Tue, 30 May   06 AM
24
28
Tue, 30 May   07 AM
17
26
Tue, 30 May   08 AM
12
23
Tue, 30 May   09 AM
19
23
Tue, 30 May   10 AM
29
23
Tue, 30 May   11 AM
37
24
Tue, 30 May   12 PM
43
26
Tue, 30 May   01 PM
48
29
Tue, 30 May   02 PM
49
32
Tue, 30 May   03 PM
49
36
Tue, 30 May   04 PM
49
41
Tue, 30 May   05 PM
49
44
Tue, 30 May   06 PM
49
47
Tue, 30 May   07 PM
48
48
Tue, 30 May   08 PM
47
49
Tue, 30 May   09 PM
46
48
Tue, 30 May   10 PM
40
47
Tue, 30 May   11 PM
33
45
Wed, 31 May   12 AM
25
42
Wed, 31 May   01 AM
21
39
Wed, 31 May   02 AM
19
35
Wed, 31 May   03 AM
19
31
Wed, 31 May   04 AM
18
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
Mon, 29 May  01 PM
0
0
Mon, 29 May  02 PM
0
0
Mon, 29 May  03 PM
0
0
Mon, 29 May  04 PM
0
0
Mon, 29 May  05 PM
0
0
Mon, 29 May  06 PM
0
0
Mon, 29 May  07 PM
0
0
Mon, 29 May  08 PM
0
0
Mon, 29 May  09 PM
0
0
Mon, 29 May  10 PM
0
0
Mon, 29 May  11 PM
0
0
Tue, 30 May  12 AM
0
0
Tue, 30 May  01 AM
0
0
Tue, 30 May  02 AM
0
0
Tue, 30 May  03 AM
0
0
Tue, 30 May  04 AM
0
0
Tue, 30 May  05 AM
0
0
Tue, 30 May  06 AM
0
0
Tue, 30 May  07 AM
0
0
Tue, 30 May  08 AM
0
0
Tue, 30 May  09 AM
0
0
Tue, 30 May  10 AM
0
0
Tue, 30 May  11 AM
0
0
Tue, 30 May  12 PM
0
0
Tue, 30 May  01 PM
0
0
Tue, 30 May  02 PM
0
0
Tue, 30 May  03 PM
0
0
Tue, 30 May  04 PM
0
0
Tue, 30 May  05 PM
0
0
Tue, 30 May  06 PM
0
0
Tue, 30 May  07 PM
0
0
Tue, 30 May  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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