Air Quality Forecast Guidance for Yosemite Valley, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 37.75 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 08/04, 4Z)
68
66
*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
Tue, 03 Aug  05 AM
57
57
Tue, 03 Aug  06 AM
55
57
Tue, 03 Aug  07 AM
56
56
Tue, 03 Aug  08 AM
48
55
Tue, 03 Aug  09 AM
47
54
Tue, 03 Aug  10 AM
51
54
Tue, 03 Aug  11 AM
60
54
Tue, 03 Aug  12 PM
62
55
Tue, 03 Aug  01 PM
65
56
Tue, 03 Aug  02 PM
66
57
Tue, 03 Aug  03 PM
67
58
Tue, 03 Aug  04 PM
66
61
Tue, 03 Aug   05 PM
66
63
Tue, 03 Aug   06 PM
66
65
Tue, 03 Aug   07 PM
64
65
Tue, 03 Aug   08 PM
63
65
Tue, 03 Aug   09 PM
63
65
Tue, 03 Aug   10 PM
61
64
Tue, 03 Aug   11 PM
60
64
Wed, 04 Aug   12 AM
60
63
Wed, 04 Aug   01 AM
59
62
Wed, 04 Aug   02 AM
60
61
Wed, 04 Aug   03 AM
61
61
Wed, 04 Aug   04 AM
62
61
Wed, 04 Aug   05 AM
61
60
Wed, 04 Aug   06 AM
60
60
Wed, 04 Aug   07 AM
62
61
Wed, 04 Aug   08 AM
55
60
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, 03 Aug  05 AM
0
0
Tue, 03 Aug  06 AM
0
0
Tue, 03 Aug  07 AM
0
0
Tue, 03 Aug  08 AM
0
0
Tue, 03 Aug  09 AM
0
0
Tue, 03 Aug  10 AM
0
0
Tue, 03 Aug  11 AM
0
0
Tue, 03 Aug  12 PM
0
0
Tue, 03 Aug  01 PM
0
0
Tue, 03 Aug  02 PM
0
0
Tue, 03 Aug  03 PM
0
1
Tue, 03 Aug  04 PM
0
3
Tue, 03 Aug  05 PM
0
5
Tue, 03 Aug  06 PM
0
5
Tue, 03 Aug  07 PM
0
4
Tue, 03 Aug  08 PM
0
5
Tue, 03 Aug  09 PM
0
8
Tue, 03 Aug  10 PM
0
13
Tue, 03 Aug  11 PM
178
13
Wed, 04 Aug  12 AM
0
10
Wed, 04 Aug  01 AM
0
9
Wed, 04 Aug  02 AM
0
6
Wed, 04 Aug  03 AM
0
0
Wed, 04 Aug  04 AM
0
2
Wed, 04 Aug  05 AM
0
1
Wed, 04 Aug  06 AM
0
0
Wed, 04 Aug  07 AM
0
0
Wed, 04 Aug  08 AM
0
0
Wed, 04 Aug  09 AM
0
0
Wed, 04 Aug  10 AM
0
0
Wed, 04 Aug  11 AM
0
0
Wed, 04 Aug  12 PM
0
0
Wed, 04 Aug  01 PM
0
0
Wed, 04 Aug  02 PM
0
0
Wed, 04 Aug  03 PM
0
1
Wed, 04 Aug  04 PM
1
3
Wed, 04 Aug  05 PM
0
2
Wed, 04 Aug  06 PM
0
2
Wed, 04 Aug  07 PM
0
1
Wed, 04 Aug  08 PM
0
0
Wed, 04 Aug  09 PM
0
0
Wed, 04 Aug  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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