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 07/26, 4Z)
56
56
*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
Mon, 25 Jul  07 AM
56
54
Mon, 25 Jul  08 AM
55
54
Mon, 25 Jul  09 AM
55
55
Mon, 25 Jul  10 AM
57
55
Mon, 25 Jul  11 AM
57
56
Mon, 25 Jul  12 PM
56
56
Mon, 25 Jul  01 PM
56
56
Mon, 25 Jul  02 PM
55
56
Mon, 25 Jul  03 PM
55
56
Mon, 25 Jul  04 PM
55
56
Mon, 25 Jul   05 PM
55
56
Mon, 25 Jul   06 PM
55
56
Mon, 25 Jul   07 PM
56
55
Mon, 25 Jul   08 PM
55
55
Mon, 25 Jul   09 PM
51
55
Mon, 25 Jul   10 PM
47
54
Mon, 25 Jul   11 PM
47
53
Tue, 26 Jul   12 AM
48
52
Tue, 26 Jul   01 AM
48
51
Tue, 26 Jul   02 AM
47
50
Tue, 26 Jul   03 AM
46
49
Tue, 26 Jul   04 AM
46
48
Tue, 26 Jul   05 AM
46
47
Tue, 26 Jul   06 AM
46
47
Tue, 26 Jul   07 AM
46
47
Tue, 26 Jul   08 AM
46
46
Tue, 26 Jul   09 AM
46
46
Tue, 26 Jul   10 AM
47
46
Tue, 26 Jul   11 AM
48
46
Tue, 26 Jul   12 PM
48
47
Tue, 26 Jul   01 PM
50
47
Tue, 26 Jul   02 PM
53
48
Tue, 26 Jul   03 PM
54
49
Tue, 26 Jul   04 PM
53
50
Tue, 26 Jul   05 PM
54
51
Tue, 26 Jul   06 PM
56
52
Tue, 26 Jul   07 PM
59
53
Tue, 26 Jul   08 PM
61
55
Tue, 26 Jul   09 PM
60
56
Tue, 26 Jul   10 PM
57
57
Tue, 26 Jul   11 PM
54
57
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, 25 Jul  04 AM
0
0
Mon, 25 Jul  05 AM
0
0
Mon, 25 Jul  06 AM
0
0
Mon, 25 Jul  07 AM
0
0
Mon, 25 Jul  08 AM
0
0
Mon, 25 Jul  09 AM
0
0
Mon, 25 Jul  10 AM
0
0
Mon, 25 Jul  11 AM
0
0
Mon, 25 Jul  12 PM
0
0
Mon, 25 Jul  01 PM
0
0
Mon, 25 Jul  02 PM
0
0
Mon, 25 Jul  03 PM
0
0
Mon, 25 Jul  04 PM
0
0
Mon, 25 Jul  05 PM
0
0
Mon, 25 Jul  06 PM
0
0
Mon, 25 Jul  07 PM
0
0
Mon, 25 Jul  08 PM
0
0
Mon, 25 Jul  09 PM
0
0
Mon, 25 Jul  10 PM
0
0
Mon, 25 Jul  11 PM
0
0
Tue, 26 Jul  12 AM
0
0
Tue, 26 Jul  01 AM
0
0
Tue, 26 Jul  02 AM
0
1
Tue, 26 Jul  03 AM
0
1
Tue, 26 Jul  04 AM
0
1
Tue, 26 Jul  05 AM
0
1
Tue, 26 Jul  06 AM
0
1
Tue, 26 Jul  07 AM
0
1
Tue, 26 Jul  08 AM
0
1
Tue, 26 Jul  09 AM
0
1
Tue, 26 Jul  10 AM
0
1
Tue, 26 Jul  11 AM
0
1
Tue, 26 Jul  12 PM
0
1
Tue, 26 Jul  01 PM
0
1
Tue, 26 Jul  02 PM
0
1
Tue, 26 Jul  03 PM
0
0
Tue, 26 Jul  04 PM
0
0
Tue, 26 Jul  05 PM
0
1
Tue, 26 Jul  06 PM
0
2
Tue, 26 Jul  07 PM
0
2
Tue, 26 Jul  08 PM
0
2
Tue, 26 Jul  09 PM
0
1
Tue, 26 Jul  10 PM
0
1

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Environmental Protection Agency AirNow Forecast Page
Graphical Air Quality Forecast Guidance
FAQ


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