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 02/11, 4Z)
58
58
*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
Wed, 10 Feb  07 AM
57
58
Wed, 10 Feb  08 AM
56
57
Wed, 10 Feb  09 AM
56
57
Wed, 10 Feb  10 AM
55
57
Wed, 10 Feb  11 AM
54
56
Wed, 10 Feb  12 PM
53
56
Wed, 10 Feb  01 PM
52
55
Wed, 10 Feb  02 PM
51
54
Wed, 10 Feb  03 PM
50
53
Wed, 10 Feb   04 PM
48
52
Wed, 10 Feb   05 PM
47
51
Wed, 10 Feb   06 PM
48
50
Wed, 10 Feb   07 PM
52
50
Wed, 10 Feb   08 PM
54
50
Wed, 10 Feb   09 PM
53
50
Wed, 10 Feb   10 PM
52
50
Wed, 10 Feb   11 PM
52
51
Thu, 11 Feb   12 AM
52
51
Thu, 11 Feb   01 AM
53
52
Thu, 11 Feb   02 AM
54
53
Thu, 11 Feb   03 AM
55
53
Thu, 11 Feb   04 AM
56
53
Thu, 11 Feb   05 AM
56
54
Thu, 11 Feb   06 AM
57
54
Thu, 11 Feb   07 AM
57
55
Thu, 11 Feb   08 AM
57
55
Thu, 11 Feb   09 AM
56
56
Thu, 11 Feb   10 AM
54
56
Thu, 11 Feb   11 AM
53
56
Thu, 11 Feb   12 PM
53
55
Thu, 11 Feb   01 PM
53
55
Thu, 11 Feb   02 PM
52
54
Thu, 11 Feb   03 PM
52
53
Thu, 11 Feb   04 PM
50
53
Thu, 11 Feb   05 PM
48
52
Thu, 11 Feb   06 PM
47
51
Thu, 11 Feb   07 PM
50
51
Thu, 11 Feb   08 PM
53
51
Thu, 11 Feb   09 PM
54
51
Thu, 11 Feb   10 PM
55
51
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

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

National Weather Service Air Quality Program Page
Environmental Protection Agency AirNow Forecast Page
Graphical Air Quality Forecast Guidance
FAQ


    US Dept of Commerce
    National Oceanic and Atmospheric Administration
    National Weather Service
    1325 East West Highway
    Silver Spring, MD 20910
    Page Author: NWS Internet Services Team
Disclaimer
Information Quality
Credits
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities