Air Quality Forecast Guidance for Middletown, CA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 38.67 N, longitude: 122.63 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 06/19, 4Z)
72
53
*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
Fri, 18 Jun  01 PM
42
31
Fri, 18 Jun  02 PM
45
34
Fri, 18 Jun  03 PM
48
37
Fri, 18 Jun  04 PM
55
42
Fri, 18 Jun   05 PM
69
46
Fri, 18 Jun   06 PM
71
51
Fri, 18 Jun   07 PM
55
53
Fri, 18 Jun   08 PM
42
53
Fri, 18 Jun   09 PM
38
53
Fri, 18 Jun   10 PM
30
51
Fri, 18 Jun   11 PM
25
48
Sat, 19 Jun   12 AM
22
44
Sat, 19 Jun   01 AM
20
38
Sat, 19 Jun   02 AM
18
31
Sat, 19 Jun   03 AM
18
26
Sat, 19 Jun   04 AM
20
24
Sat, 19 Jun   05 AM
19
21
Sat, 19 Jun   06 AM
21
20
Sat, 19 Jun   07 AM
21
20
Sat, 19 Jun   08 AM
22
20
Sat, 19 Jun   09 AM
27
21
Sat, 19 Jun   10 AM
31
22
Sat, 19 Jun   11 AM
36
25
Sat, 19 Jun   12 PM
41
27
Sat, 19 Jun   01 PM
44
30
Sat, 19 Jun   02 PM
46
33
Sat, 19 Jun   03 PM
47
37
Sat, 19 Jun   04 PM
48
40
Sat, 19 Jun   05 PM
44
42
Sat, 19 Jun   06 PM
40
43
Sat, 19 Jun   07 PM
38
44
Sat, 19 Jun   08 PM
36
43
Sat, 19 Jun   09 PM
34
42
Sat, 19 Jun   10 PM
28
40
Sat, 19 Jun   11 PM
26
37
Sun, 20 Jun   12 AM
25
34
Sun, 20 Jun   01 AM
25
32
Sun, 20 Jun   02 AM
25
30
Sun, 20 Jun   03 AM
26
28
Sun, 20 Jun   04 AM
27
27
Sun, 20 Jun   05 AM
25
26
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Fri, 18 Jun  01 PM
0
0
Fri, 18 Jun  02 PM
0
0
Fri, 18 Jun  03 PM
0
2
Fri, 18 Jun  04 PM
0
4
Fri, 18 Jun  05 PM
0
2
Fri, 18 Jun  06 PM
0
1
Fri, 18 Jun  07 PM
0
2
Fri, 18 Jun  08 PM
0
2
Fri, 18 Jun  09 PM
0
2
Fri, 18 Jun  10 PM
0
2
Fri, 18 Jun  11 PM
0
2
Sat, 19 Jun  12 AM
0
2
Sat, 19 Jun  01 AM
0
1
Sat, 19 Jun  02 AM
0
1
Sat, 19 Jun  03 AM
0
0
Sat, 19 Jun  04 AM
0
0
Sat, 19 Jun  05 AM
0
0
Sat, 19 Jun  06 AM
0
0
Sat, 19 Jun  07 AM
0
0
Sat, 19 Jun  08 AM
0
0
Sat, 19 Jun  09 AM
0
0
Sat, 19 Jun  10 AM
0
0
Sat, 19 Jun  11 AM
0
0
Sat, 19 Jun  12 PM
0
0
Sat, 19 Jun  01 PM
0
0
Sat, 19 Jun  02 PM
0
0
Sat, 19 Jun  03 PM
0
0
Sat, 19 Jun  04 PM
0
0
Sat, 19 Jun  05 PM
0
0
Sat, 19 Jun  06 PM
0
0
Sat, 19 Jun  07 PM
0
0
Sat, 19 Jun  08 PM
0
0
Sat, 19 Jun  09 PM
0
0
Sat, 19 Jun  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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