Air Quality Forecast Guidance for Hays, TX

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 30.13 N, longitude: 97.89 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 03/05, 4Z)
39
33
*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, 04 Mar  01 PM
29
23
Mon, 04 Mar  02 PM
29
24
Mon, 04 Mar  03 PM
33
25
Mon, 04 Mar  04 PM
34
27
Mon, 04 Mar  05 PM
36
29
Mon, 04 Mar   06 PM
39
31
Mon, 04 Mar   07 PM
37
33
Mon, 04 Mar   08 PM
31
33
Mon, 04 Mar   09 PM
25
33
Mon, 04 Mar   10 PM
20
32
Mon, 04 Mar   11 PM
16
30
Tue, 05 Mar   12 AM
16
27
Tue, 05 Mar   01 AM
15
25
Tue, 05 Mar   02 AM
15
22
Tue, 05 Mar   03 AM
14
19
Tue, 05 Mar   04 AM
14
17
Tue, 05 Mar   05 AM
13
15
Tue, 05 Mar   06 AM
12
14
Tue, 05 Mar   07 AM
12
14
Tue, 05 Mar   08 AM
13
13
Tue, 05 Mar   09 AM
25
15
Tue, 05 Mar   10 AM
37
18
Tue, 05 Mar   11 AM
42
21
Tue, 05 Mar   12 PM
41
25
Tue, 05 Mar   01 PM
42
28
Tue, 05 Mar   02 PM
41
32
Tue, 05 Mar   03 PM
40
35
Tue, 05 Mar   04 PM
42
39
Tue, 05 Mar   05 PM
41
41
Tue, 05 Mar   06 PM
37
41
Tue, 05 Mar   07 PM
35
40
Tue, 05 Mar   08 PM
28
38
Tue, 05 Mar   09 PM
23
36
Tue, 05 Mar   10 PM
21
34
Tue, 05 Mar   11 PM
19
31
Wed, 06 Mar   12 AM
19
28
Wed, 06 Mar   01 AM
18
25
Wed, 06 Mar   02 AM
17
23
Wed, 06 Mar   03 AM
14
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
Mon, 04 Mar  01 PM
0
0
Mon, 04 Mar  02 PM
0
0
Mon, 04 Mar  03 PM
0
0
Mon, 04 Mar  04 PM
0
0
Mon, 04 Mar  05 PM
0
0
Mon, 04 Mar  06 PM
0
0
Mon, 04 Mar  07 PM
0
0
Mon, 04 Mar  08 PM
0
0
Mon, 04 Mar  09 PM
0
0
Mon, 04 Mar  10 PM
0
0
Mon, 04 Mar  11 PM
0
0
Tue, 05 Mar  12 AM
0
0
Tue, 05 Mar  01 AM
0
0
Tue, 05 Mar  02 AM
0
0
Tue, 05 Mar  03 AM
0
0
Tue, 05 Mar  04 AM
0
0
Tue, 05 Mar  05 AM
0
0
Tue, 05 Mar  06 AM
0
0
Tue, 05 Mar  07 AM
0
0
Tue, 05 Mar  08 AM
0
0
Tue, 05 Mar  09 AM
0
0
Tue, 05 Mar  10 AM
0
0
Tue, 05 Mar  11 AM
0
0
Tue, 05 Mar  12 PM
0
0
Tue, 05 Mar  01 PM
0
0
Tue, 05 Mar  02 PM
0
0
Tue, 05 Mar  03 PM
0
0
Tue, 05 Mar  04 PM
0
0
Tue, 05 Mar  05 PM
0
0
Tue, 05 Mar  06 PM
0
0
Tue, 05 Mar  07 PM
0
0

National Weather Service Air Quality Program Page
Environmental Protection Agency AirNow Forecast Page
Graphical Air Quality Forecast Guidance
FAQ


    US Dept of Commerce
    National Oceanic and Atmospheric Administration
    National Weather Service
    1325 East West Highway
    Silver Spring, MD 20910
    Page Author: NWS Internet Services Team
Disclaimer
Information Quality
Credits
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities