Air Quality Forecast Guidance

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 32.99 N, longitude: 114.00 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 05/18, 4Z)
45
43
*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
Tue, 17 May   07 AM
24
24
Tue, 17 May   08 AM
32
25
Tue, 17 May   09 AM
37
26
Tue, 17 May   10 AM
42
28
Tue, 17 May   11 AM
45
31
Tue, 17 May   12 PM
45
33
Tue, 17 May   01 PM
43
36
Tue, 17 May   02 PM
42
39
Tue, 17 May   03 PM
42
41
Tue, 17 May   04 PM
43
42
Wed, 18 May  03 AM
20
25
Wed, 18 May  04 AM
18
23
Wed, 18 May  05 AM
17
21
Wed, 18 May  06 AM
15
20
Wed, 18 May  07 AM
19
19
Wed, 18 May  08 AM
26
20
Wed, 18 May  09 AM
29
21
Wed, 18 May  10 AM
32
22
Wed, 18 May  11 AM
36
24
Wed, 18 May  12 PM
39
27
Wed, 18 May  01 PM
40
30
Wed, 18 May  02 PM
40
33
Wed, 18 May  03 PM
40
35
Wed, 18 May  04 PM
41
37
Wed, 18 May   05 PM
43
39
Wed, 18 May   06 PM
43
40
Wed, 18 May   07 PM
43
41
Wed, 18 May   08 PM
36
41
Wed, 18 May   09 PM
29
39
Wed, 18 May   10 PM
26
38
Wed, 18 May   11 PM
25
36
Thu, 19 May   12 AM
23
33
Thu, 19 May   01 AM
23
31
Thu, 19 May   02 AM
19
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
Tue, 17 May  12 AM
0
0
Tue, 17 May  01 AM
0
1
Tue, 17 May  02 AM
0
2
Tue, 17 May  03 AM
0
2
Tue, 17 May  04 AM
0
1
Tue, 17 May  05 AM
0
2
Tue, 17 May  06 AM
0
1
Tue, 17 May  07 AM
0
1
Tue, 17 May  08 AM
0
0
Tue, 17 May  09 AM
0
0
Tue, 17 May  10 AM
0
0
Tue, 17 May  11 AM
0
0
Tue, 17 May  12 PM
0
0
Tue, 17 May  01 PM
0
0
Tue, 17 May  02 PM
0
1
Tue, 17 May  03 PM
0
0
Tue, 17 May  04 PM
0
0
Wed, 18 May  03 AM
0
2
Wed, 18 May  04 AM
0
1
Wed, 18 May  05 AM
0
1
Wed, 18 May  06 AM
0
1
Wed, 18 May  07 AM
0
0
Wed, 18 May  08 AM
0
0
Wed, 18 May  09 AM
0
0
Wed, 18 May  10 AM
0
0
Wed, 18 May  11 AM
0
0
Wed, 18 May  12 PM
0
0
Wed, 18 May  01 PM
0
0
Wed, 18 May  02 PM
0
0
Wed, 18 May  03 PM
0
0
Wed, 18 May  04 PM
0
0
Wed, 18 May  05 PM
0
0
Wed, 18 May  06 PM
0
0
Wed, 18 May  07 PM
0
0
Wed, 18 May  08 PM
0
0
Wed, 18 May  09 PM
0
0
Wed, 18 May  10 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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