Air Quality Forecast Guidance for San Rafael, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 37.97 N, longitude: 122.52 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 10/02, 4Z)
35
32
*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
Sun, 01 Oct  11 AM
28
19
Sun, 01 Oct  12 PM
34
20
Sun, 01 Oct  01 PM
36
21
Sun, 01 Oct  02 PM
35
23
Sun, 01 Oct  03 PM
32
26
Sun, 01 Oct  04 PM
29
29
Sun, 01 Oct   05 PM
30
31
Sun, 01 Oct   06 PM
32
32
Sun, 01 Oct   07 PM
30
32
Sun, 01 Oct   08 PM
28
32
Sun, 01 Oct   09 PM
26
30
Sun, 01 Oct   10 PM
25
29
Sun, 01 Oct   11 PM
24
28
Mon, 02 Oct   12 AM
22
27
Mon, 02 Oct   01 AM
19
26
Mon, 02 Oct   02 AM
19
24
Mon, 02 Oct   03 AM
19
23
Mon, 02 Oct   04 AM
19
22
Mon, 02 Oct   05 AM
27
22
Mon, 02 Oct   06 AM
22
21
Mon, 02 Oct   07 AM
24
21
Mon, 02 Oct   08 AM
19
21
Mon, 02 Oct   09 AM
17
21
Mon, 02 Oct   10 AM
18
21
Mon, 02 Oct   11 AM
20
21
Mon, 02 Oct   12 PM
22
21
Mon, 02 Oct   01 PM
23
21
Mon, 02 Oct   02 PM
26
21
Mon, 02 Oct   03 PM
29
22
Mon, 02 Oct   04 PM
29
23
Mon, 02 Oct   05 PM
28
24
Mon, 02 Oct   06 PM
27
26
Mon, 02 Oct   07 PM
26
26
Mon, 02 Oct   08 PM
26
27
Mon, 02 Oct   09 PM
26
27
Mon, 02 Oct   10 PM
25
27
Mon, 02 Oct   11 PM
21
26
Tue, 03 Oct   12 AM
20
25
Tue, 03 Oct   01 AM
19
24
Tue, 03 Oct   02 AM
22
23
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)
06Z Model Run
Sun, 01 Oct  11 AM
0
0
Sun, 01 Oct  12 PM
0
0
Sun, 01 Oct  01 PM
0
0
Sun, 01 Oct  02 PM
0
0
Sun, 01 Oct  03 PM
0
0
Sun, 01 Oct  04 PM
0
0
Sun, 01 Oct  05 PM
0
0
Sun, 01 Oct  06 PM
0
0
Sun, 01 Oct  07 PM
0
0
Sun, 01 Oct  08 PM
0
0
Sun, 01 Oct  09 PM
0
0
Sun, 01 Oct  10 PM
0
0
Sun, 01 Oct  11 PM
0
0
Mon, 02 Oct  12 AM
0
0
Mon, 02 Oct  01 AM
0
0
Mon, 02 Oct  02 AM
0
0
Mon, 02 Oct  03 AM
0
0
Mon, 02 Oct  04 AM
0
0
Mon, 02 Oct  05 AM
0
0
Mon, 02 Oct  06 AM
0
0
Mon, 02 Oct  07 AM
0
0
Mon, 02 Oct  08 AM
0
0
Mon, 02 Oct  09 AM
0
0
Mon, 02 Oct  10 AM
0
0
Mon, 02 Oct  11 AM
0
0
Mon, 02 Oct  12 PM
0
0
Mon, 02 Oct  01 PM
0
0
Mon, 02 Oct  02 PM
0
0
Mon, 02 Oct  03 PM
0
0
Mon, 02 Oct  04 PM
0
0
Mon, 02 Oct  05 PM
0
0
Mon, 02 Oct  06 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