Air Quality Forecast Guidance for Pasadena, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 34.15 N, longitude: 118.14 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 09/22, 4Z)
67
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)

12Z Model Run
8 Hour Average Ozone
Concentration (PPB)

12Z Model Run
Tue, 22 Sep  01 AM
19
30
Tue, 22 Sep  02 AM
19
25
Tue, 22 Sep  03 AM
17
22
Tue, 22 Sep  04 AM
16
20
Tue, 22 Sep  05 AM
16
19
Tue, 22 Sep  06 AM
15
18
Tue, 22 Sep  07 AM
9
16
Tue, 22 Sep  08 AM
13
15
Tue, 22 Sep  09 AM
19
15
Tue, 22 Sep  10 AM
30
17
Tue, 22 Sep  11 AM
42
20
Tue, 22 Sep  12 PM
51
24
Tue, 22 Sep  01 PM
57
29
Tue, 22 Sep  02 PM
60
35
Tue, 22 Sep  03 PM
63
42
Tue, 22 Sep  04 PM
69
49
Tue, 22 Sep   05 PM
65
54
Tue, 22 Sep   06 PM
54
57
Tue, 22 Sep   07 PM
40
57
Tue, 22 Sep   08 PM
30
55
Tue, 22 Sep   09 PM
24
50
Tue, 22 Sep   10 PM
18
45
Tue, 22 Sep   11 PM
14
39
Wed, 23 Sep   12 AM
13
32
Wed, 23 Sep   01 AM
13
26
Wed, 23 Sep   02 AM
13
21
Wed, 23 Sep   03 AM
12
17
Wed, 23 Sep   04 AM
9
15
Wed, 23 Sep   05 AM
7
13
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, 22 Sep  01 AM
0
0
Tue, 22 Sep  02 AM
0
0
Tue, 22 Sep  03 AM
0
0
Tue, 22 Sep  04 AM
0
0
Tue, 22 Sep  05 AM
0
0
Tue, 22 Sep  06 AM
0
0
Tue, 22 Sep  07 AM
0
0
Tue, 22 Sep  08 AM
0
0
Tue, 22 Sep  09 AM
0
0
Tue, 22 Sep  10 AM
0
0
Tue, 22 Sep  11 AM
0
0
Tue, 22 Sep  12 PM
0
0
Tue, 22 Sep  01 PM
0
0
Tue, 22 Sep  02 PM
0
0
Tue, 22 Sep  03 PM
0
0
Tue, 22 Sep  04 PM
0
0
Tue, 22 Sep  05 PM
0
0
Tue, 22 Sep  06 PM
0
0
Tue, 22 Sep  07 PM
0
0
Tue, 22 Sep  08 PM
0
0
Tue, 22 Sep  09 PM
0
0
Tue, 22 Sep  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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