Air Quality Forecast Guidance for San Juan, TX

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 26.19 N, longitude: 98.15 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 08/11, 4Z)
26
23
*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, 10 Aug  03 PM
26
18
Mon, 10 Aug  04 PM
23
21
Mon, 10 Aug  05 PM
24
22
Mon, 10 Aug  06 PM
23
23
Mon, 10 Aug   07 PM
22
23
Mon, 10 Aug   08 PM
17
22
Mon, 10 Aug   09 PM
16
22
Mon, 10 Aug   10 PM
14
21
Mon, 10 Aug   11 PM
13
19
Tue, 11 Aug   12 AM
11
17
Tue, 11 Aug   01 AM
10
16
Tue, 11 Aug   02 AM
10
14
Tue, 11 Aug   03 AM
10
13
Tue, 11 Aug   04 AM
6
11
Tue, 11 Aug   05 AM
8
10
Tue, 11 Aug   06 AM
8
9
Tue, 11 Aug   07 AM
9
9
Tue, 11 Aug   08 AM
7
8
Tue, 11 Aug   09 AM
6
8
Tue, 11 Aug   10 AM
10
8
Tue, 11 Aug   11 AM
10
8
Tue, 11 Aug   12 PM
16
9
Tue, 11 Aug   01 PM
19
11
Tue, 11 Aug   02 PM
22
12
Tue, 11 Aug   03 PM
22
14
Tue, 11 Aug   04 PM
23
16
Tue, 11 Aug   05 PM
24
18
Tue, 11 Aug   06 PM
23
20
Tue, 11 Aug   07 PM
23
21
Tue, 11 Aug   08 PM
20
22
Tue, 11 Aug   09 PM
22
22
Tue, 11 Aug   10 PM
20
22
Tue, 11 Aug   11 PM
14
21
Wed, 12 Aug   12 AM
16
20
Wed, 12 Aug   01 AM
19
20
Wed, 12 Aug   02 AM
18
19
Wed, 12 Aug   03 AM
10
17
Wed, 12 Aug   04 AM
12
16
Wed, 12 Aug   05 AM
12
15
Wed, 12 Aug   06 AM
11
14
Wed, 12 Aug   07 AM
12
14
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, 10 Aug  03 PM
0
0
Mon, 10 Aug  04 PM
0
0
Mon, 10 Aug  05 PM
0
0
Mon, 10 Aug  06 PM
0
0
Mon, 10 Aug  07 PM
0
0
Mon, 10 Aug  08 PM
0
0
Mon, 10 Aug  09 PM
0
0
Mon, 10 Aug  10 PM
0
0
Mon, 10 Aug  11 PM
0
0
Tue, 11 Aug  12 AM
0
0
Tue, 11 Aug  01 AM
0
0
Tue, 11 Aug  02 AM
0
0
Tue, 11 Aug  03 AM
0
0
Tue, 11 Aug  04 AM
0
0
Tue, 11 Aug  05 AM
0
0
Tue, 11 Aug  06 AM
0
0
Tue, 11 Aug  07 AM
0
0
Tue, 11 Aug  08 AM
0
0
Tue, 11 Aug  09 AM
0
0
Tue, 11 Aug  10 AM
0
0
Tue, 11 Aug  11 AM
0
0
Tue, 11 Aug  12 PM
0
0
Tue, 11 Aug  01 PM
0
0
Tue, 11 Aug  02 PM
0
0
Tue, 11 Aug  03 PM
0
0
Tue, 11 Aug  04 PM
0
0
Tue, 11 Aug  05 PM
0
0
Tue, 11 Aug  06 PM
0
0
Tue, 11 Aug  07 PM
0
0
Tue, 11 Aug  08 PM
1
0
Tue, 11 Aug  09 PM
0
0
Tue, 11 Aug  10 PM
1
0
Tue, 11 Aug  11 PM
0
0
Wed, 12 Aug  12 AM
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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