Air Quality Forecast Guidance for Yosemite Valley, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 37.74 N, longitude: 119.60 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 07/24, 4Z)
52
50
*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
Thu, 24 Jul  03 AM
40
41
Thu, 24 Jul  04 AM
41
40
Thu, 24 Jul  05 AM
42
40
Thu, 24 Jul  06 AM
43
40
Thu, 24 Jul  07 AM
43
41
Thu, 24 Jul  08 AM
44
42
Thu, 24 Jul  09 AM
46
42
Thu, 24 Jul  10 AM
47
43
Thu, 24 Jul  11 AM
47
44
Thu, 24 Jul  12 PM
47
45
Thu, 24 Jul  01 PM
46
46
Thu, 24 Jul  02 PM
45
46
Thu, 24 Jul  03 PM
45
46
Thu, 24 Jul  04 PM
46
46
Thu, 24 Jul   05 PM
48
46
Thu, 24 Jul   06 PM
50
47
Thu, 24 Jul   07 PM
52
47
Thu, 24 Jul   08 PM
52
48
Thu, 24 Jul   09 PM
49
48
Thu, 24 Jul   10 PM
47
48
Thu, 24 Jul   11 PM
46
49
Fri, 25 Jul   12 AM
45
49
Fri, 25 Jul   01 AM
45
48
Fri, 25 Jul   02 AM
46
48
Fri, 25 Jul   03 AM
47
47
Fri, 25 Jul   04 AM
49
47
Fri, 25 Jul   05 AM
49
47
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Thu, 24 Jul  03 AM
0
0
Thu, 24 Jul  04 AM
0
0
Thu, 24 Jul  05 AM
0
0
Thu, 24 Jul  06 AM
0
0
Thu, 24 Jul  07 AM
0
0
Thu, 24 Jul  08 AM
0
0
Thu, 24 Jul  09 AM
0
0
Thu, 24 Jul  10 AM
0
0
Thu, 24 Jul  11 AM
0
0
Thu, 24 Jul  12 PM
0
0
Thu, 24 Jul  01 PM
0
0
Thu, 24 Jul  02 PM
0
0
Thu, 24 Jul  03 PM
0
0
Thu, 24 Jul  04 PM
0
0
Thu, 24 Jul  05 PM
0
0
Thu, 24 Jul  06 PM
0
0
Thu, 24 Jul  07 PM
0
0
Thu, 24 Jul  08 PM
0
0
Thu, 24 Jul  09 PM
0
0
Thu, 24 Jul  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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