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Air Quality Forecast Guidance for Ephrata, WA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 47.32 N, longitude: 119.55 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 07/14, 4Z)
48
47
*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, 13 Jul  09 PM
38
44
Sun, 13 Jul  10 PM
34
42
Sun, 13 Jul  11 PM
30
40
Mon, 14 Jul  12 AM
27
38
Mon, 14 Jul  01 AM
26
36
Mon, 14 Jul  02 AM
25
33
Mon, 14 Jul  03 AM
24
30
Mon, 14 Jul  04 AM
23
28
Mon, 14 Jul  05 AM
23
26
Mon, 14 Jul  06 AM
24
25
Mon, 14 Jul  07 AM
28
25
Mon, 14 Jul  08 AM
32
26
Mon, 14 Jul  09 AM
38
27
Mon, 14 Jul  10 AM
41
29
Mon, 14 Jul  11 AM
42
31
Mon, 14 Jul  12 PM
40
33
Mon, 14 Jul  01 PM
40
36
Mon, 14 Jul  02 PM
39
38
Mon, 14 Jul  03 PM
39
39
Mon, 14 Jul  04 PM
40
40
Mon, 14 Jul   05 PM
40
40
Mon, 14 Jul   06 PM
40
40
Mon, 14 Jul   07 PM
40
40
Mon, 14 Jul   08 PM
39
40
Mon, 14 Jul   09 PM
36
39
Mon, 14 Jul   10 PM
32
38
Mon, 14 Jul   11 PM
29
37
Tue, 15 Jul   12 AM
27
35
Tue, 15 Jul   01 AM
25
34
Tue, 15 Jul   02 AM
25
32
Tue, 15 Jul   03 AM
24
30
Tue, 15 Jul   04 AM
23
28
Tue, 15 Jul   05 AM
21
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
Sun, 13 Jul  09 PM
0
2
Sun, 13 Jul  10 PM
0
2
Sun, 13 Jul  11 PM
2
1
Mon, 14 Jul  12 AM
6
0
Mon, 14 Jul  01 AM
6
0
Mon, 14 Jul  02 AM
3
0
Mon, 14 Jul  03 AM
0
0
Mon, 14 Jul  04 AM
0
0
Mon, 14 Jul  05 AM
4
1
Mon, 14 Jul  06 AM
10
2
Mon, 14 Jul  07 AM
10
1
Mon, 14 Jul  08 AM
25
2
Mon, 14 Jul  09 AM
2
3
Mon, 14 Jul  10 AM
6
2
Mon, 14 Jul  11 AM
2
3
Mon, 14 Jul  12 PM
4
3
Mon, 14 Jul  01 PM
0
2
Mon, 14 Jul  02 PM
2
1
Mon, 14 Jul  03 PM
1
1
Mon, 14 Jul  04 PM
0
1
Mon, 14 Jul  05 PM
0
1
Mon, 14 Jul  06 PM
0
1
Mon, 14 Jul  07 PM
1
1
Mon, 14 Jul  08 PM
4
1
Mon, 14 Jul  09 PM
2
1
Mon, 14 Jul  10 PM
0
1

National Weather Service Air Quality Program Page
Environmental Protection Agency AirNow Forecast Page
Graphical Air Quality Forecast Guidance
FAQ


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