Air Quality Forecast Guidance for Chico, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 39.73 N, longitude: 121.84 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 08/11, 4Z)
52
49
*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 Aug  07 AM
16
27
Wed, 10 Aug  08 AM
17
24
Wed, 10 Aug  09 AM
22
22
Wed, 10 Aug  10 AM
24
21
Wed, 10 Aug  11 AM
29
21
Wed, 10 Aug  12 PM
33
22
Wed, 10 Aug  01 PM
41
24
Wed, 10 Aug  02 PM
45
28
Wed, 10 Aug  03 PM
48
32
Wed, 10 Aug  04 PM
53
37
Wed, 10 Aug   05 PM
51
40
Wed, 10 Aug   06 PM
52
44
Wed, 10 Aug   07 PM
49
46
Wed, 10 Aug   08 PM
47
48
Wed, 10 Aug   09 PM
47
49
Wed, 10 Aug   10 PM
50
49
Wed, 10 Aug   11 PM
45
49
Thu, 11 Aug   12 AM
38
47
Thu, 11 Aug   01 AM
30
45
Thu, 11 Aug   02 AM
28
42
Thu, 11 Aug   03 AM
24
39
Thu, 11 Aug   04 AM
22
36
Thu, 11 Aug   05 AM
23
33
Thu, 11 Aug   06 AM
9
27
Thu, 11 Aug   07 AM
19
24
Thu, 11 Aug   08 AM
18
22
Thu, 11 Aug   09 AM
26
21
Thu, 11 Aug   10 AM
31
22
Thu, 11 Aug   11 AM
39
23
Thu, 11 Aug   12 PM
45
26
Thu, 11 Aug   01 PM
51
30
Thu, 11 Aug   02 PM
52
35
Thu, 11 Aug   03 PM
51
39
Thu, 11 Aug   04 PM
54
44
Thu, 11 Aug   05 PM
52
47
Thu, 11 Aug   06 PM
53
49
Thu, 11 Aug   07 PM
53
51
Thu, 11 Aug   08 PM
50
52
Thu, 11 Aug   09 PM
46
51
Thu, 11 Aug   10 PM
42
50
Thu, 11 Aug   11 PM
37
48
Fri, 12 Aug   12 AM
35
46
Fri, 12 Aug   01 AM
32
44
Fri, 12 Aug   02 AM
28
40
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 Aug  06 AM
0
0
Wed, 10 Aug  07 AM
0
0
Wed, 10 Aug  08 AM
0
0
Wed, 10 Aug  09 AM
0
0
Wed, 10 Aug  10 AM
0
0
Wed, 10 Aug  11 AM
0
0
Wed, 10 Aug  12 PM
0
0
Wed, 10 Aug  01 PM
0
0
Wed, 10 Aug  02 PM
0
0
Wed, 10 Aug  03 PM
0
0
Wed, 10 Aug  04 PM
0
0
Wed, 10 Aug  05 PM
0
0
Wed, 10 Aug  06 PM
0
0
Wed, 10 Aug  07 PM
0
0
Wed, 10 Aug  08 PM
0
0
Wed, 10 Aug  09 PM
0
0
Wed, 10 Aug  10 PM
0
0
Wed, 10 Aug  11 PM
0
0
Thu, 11 Aug  12 AM
0
0
Thu, 11 Aug  01 AM
0
0
Thu, 11 Aug  02 AM
0
0
Thu, 11 Aug  03 AM
0
0
Thu, 11 Aug  04 AM
0
0
Thu, 11 Aug  05 AM
0
0
Thu, 11 Aug  06 AM
0
0
Thu, 11 Aug  07 AM
0
0
Thu, 11 Aug  08 AM
0
0
Thu, 11 Aug  09 AM
0
0
Thu, 11 Aug  10 AM
0
0
Thu, 11 Aug  11 AM
0
0
Thu, 11 Aug  12 PM
0
0
Thu, 11 Aug  01 PM
0
0
Thu, 11 Aug  02 PM
0
0
Thu, 11 Aug  03 PM
0
0
Thu, 11 Aug  04 PM
0
0
Thu, 11 Aug  05 PM
0
0
Thu, 11 Aug  06 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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