Air Quality Forecast Guidance for Harlingen, TX

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 26.20 N, longitude: 97.69 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)
50
49
*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
Fri, 30 Sep  09 AM
14
18
Fri, 30 Sep  10 AM
27
19
Fri, 30 Sep  11 AM
38
21
Fri, 30 Sep  12 PM
46
24
Fri, 30 Sep  01 PM
49
28
Fri, 30 Sep  02 PM
50
32
Fri, 30 Sep  03 PM
49
36
Fri, 30 Sep  04 PM
48
40
Fri, 30 Sep  05 PM
47
44
Fri, 30 Sep  06 PM
47
47
Fri, 30 Sep   07 PM
49
48
Fri, 30 Sep   08 PM
49
49
Fri, 30 Sep   09 PM
46
48
Fri, 30 Sep   10 PM
38
47
Fri, 30 Sep   11 PM
33
45
Sat, 01 Oct   12 AM
32
43
Sat, 01 Oct   01 AM
30
40
Sat, 01 Oct   02 AM
26
38
Sat, 01 Oct   03 AM
22
34
Sat, 01 Oct   04 AM
20
31
Sat, 01 Oct   05 AM
17
27
Sat, 01 Oct   06 AM
18
25
Sat, 01 Oct   07 AM
17
23
Sat, 01 Oct   08 AM
17
21
Sat, 01 Oct   09 AM
23
20
Sat, 01 Oct   10 AM
32
21
Sat, 01 Oct   11 AM
39
23
Sat, 01 Oct   12 PM
43
26
Sat, 01 Oct   01 PM
44
29
Sat, 01 Oct   02 PM
45
33
Sat, 01 Oct   03 PM
43
36
Sat, 01 Oct   04 PM
43
39
Sat, 01 Oct   05 PM
44
42
Sat, 01 Oct   06 PM
46
43
Sat, 01 Oct   07 PM
48
45
Sat, 01 Oct   08 PM
45
45
Sat, 01 Oct   09 PM
39
44
Sat, 01 Oct   10 PM
32
43
Sat, 01 Oct   11 PM
29
41
Sun, 02 Oct   12 AM
29
39
Sun, 02 Oct   01 AM
28
37
Sun, 02 Oct   02 AM
25
34
Sun, 02 Oct   03 AM
22
31
Sun, 02 Oct   04 AM
22
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
Fri, 30 Sep  07 AM
0
0
Fri, 30 Sep  08 AM
0
0
Fri, 30 Sep  09 AM
0
0
Fri, 30 Sep  10 AM
0
0
Fri, 30 Sep  11 AM
0
0
Fri, 30 Sep  12 PM
0
0
Fri, 30 Sep  01 PM
0
0
Fri, 30 Sep  02 PM
0
0
Fri, 30 Sep  03 PM
0
0
Fri, 30 Sep  04 PM
0
0
Fri, 30 Sep  05 PM
0
0
Fri, 30 Sep  06 PM
0
0
Fri, 30 Sep  07 PM
0
0
Fri, 30 Sep  08 PM
0
0
Fri, 30 Sep  09 PM
0
0
Fri, 30 Sep  10 PM
0
0
Fri, 30 Sep  11 PM
0
0
Sat, 01 Oct  12 AM
0
0
Sat, 01 Oct  01 AM
0
0
Sat, 01 Oct  02 AM
0
0
Sat, 01 Oct  03 AM
0
0
Sat, 01 Oct  04 AM
0
0
Sat, 01 Oct  05 AM
0
0
Sat, 01 Oct  06 AM
0
0
Sat, 01 Oct  07 AM
0
0
Sat, 01 Oct  08 AM
0
0
Sat, 01 Oct  09 AM
0
0
Sat, 01 Oct  10 AM
0
0
Sat, 01 Oct  11 AM
0
0
Sat, 01 Oct  12 PM
0
0
Sat, 01 Oct  01 PM
0
0
Sat, 01 Oct  02 PM
0
0
Sat, 01 Oct  03 PM
0
0
Sat, 01 Oct  04 PM
0
0
Sat, 01 Oct  05 PM
0
0
Sat, 01 Oct  06 PM
0
0
Sat, 01 Oct  07 PM
0
0
Sat, 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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