Air Quality Forecast Guidance for San Leandro, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 37.72 N, longitude: 122.15 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 09/27, 4Z)
39
36
*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, 26 Sep  07 AM
15
12
Tue, 26 Sep  08 AM
16
12
Tue, 26 Sep  09 AM
22
13
Tue, 26 Sep  10 AM
32
16
Tue, 26 Sep  11 AM
33
19
Tue, 26 Sep  12 PM
35
22
Tue, 26 Sep  01 PM
37
25
Tue, 26 Sep  02 PM
39
29
Tue, 26 Sep  03 PM
39
32
Tue, 26 Sep  04 PM
37
34
Tue, 26 Sep   05 PM
33
36
Tue, 26 Sep   06 PM
33
36
Tue, 26 Sep   07 PM
31
36
Tue, 26 Sep   08 PM
26
34
Tue, 26 Sep   09 PM
25
33
Tue, 26 Sep   10 PM
25
31
Tue, 26 Sep   11 PM
25
30
Wed, 27 Sep   12 AM
23
28
Wed, 27 Sep   01 AM
22
26
Wed, 27 Sep   02 AM
21
25
Wed, 27 Sep   03 AM
21
24
Wed, 27 Sep   04 AM
22
23
Wed, 27 Sep   05 AM
20
22
Wed, 27 Sep   06 AM
21
22
Wed, 27 Sep   07 AM
19
21
Wed, 27 Sep   08 AM
18
20
Wed, 27 Sep   09 AM
20
20
Wed, 27 Sep   10 AM
27
21
Wed, 27 Sep   11 AM
29
22
Wed, 27 Sep   12 PM
33
23
Wed, 27 Sep   01 PM
36
25
Wed, 27 Sep   02 PM
39
28
Wed, 27 Sep   03 PM
38
30
Wed, 27 Sep   04 PM
36
32
Wed, 27 Sep   05 PM
34
34
Wed, 27 Sep   06 PM
32
35
Wed, 27 Sep   07 PM
30
35
Wed, 27 Sep   08 PM
28
34
Wed, 27 Sep   09 PM
26
33
Wed, 27 Sep   10 PM
27
31
Wed, 27 Sep   11 PM
25
30
Thu, 28 Sep   12 AM
22
28
Thu, 28 Sep   01 AM
21
26
Thu, 28 Sep   02 AM
22
25
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, 26 Sep  04 AM
0
0
Tue, 26 Sep  05 AM
0
0
Tue, 26 Sep  06 AM
0
0
Tue, 26 Sep  07 AM
0
0
Tue, 26 Sep  08 AM
0
0
Tue, 26 Sep  09 AM
0
0
Tue, 26 Sep  10 AM
0
0
Tue, 26 Sep  11 AM
0
0
Tue, 26 Sep  12 PM
0
0
Tue, 26 Sep  01 PM
0
0
Tue, 26 Sep  02 PM
0
0
Tue, 26 Sep  03 PM
0
0
Tue, 26 Sep  04 PM
0
0
Tue, 26 Sep  05 PM
0
0
Tue, 26 Sep  06 PM
0
0
Tue, 26 Sep  07 PM
0
0
Tue, 26 Sep  08 PM
0
0
Tue, 26 Sep  09 PM
0
0
Tue, 26 Sep  10 PM
0
0
Tue, 26 Sep  11 PM
0
0
Wed, 27 Sep  12 AM
0
0
Wed, 27 Sep  01 AM
0
0
Wed, 27 Sep  02 AM
0
0
Wed, 27 Sep  03 AM
0
0
Wed, 27 Sep  04 AM
0
0
Wed, 27 Sep  05 AM
0
0
Wed, 27 Sep  06 AM
0
0
Wed, 27 Sep  07 AM
0
0
Wed, 27 Sep  08 AM
0
0
Wed, 27 Sep  09 AM
0
0
Wed, 27 Sep  10 AM
0
0
Wed, 27 Sep  11 AM
0
0
Wed, 27 Sep  12 PM
0
0
Wed, 27 Sep  01 PM
0
0
Wed, 27 Sep  02 PM
0
0
Wed, 27 Sep  03 PM
0
0
Wed, 27 Sep  04 PM
0
0
Wed, 27 Sep  05 PM
0
0
Wed, 27 Sep  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