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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 07/05, 4Z)
47
43
*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
Sat, 04 Jul  07 AM
26
27
Sat, 04 Jul  08 AM
28
27
Sat, 04 Jul  09 AM
33
27
Sat, 04 Jul  10 AM
36
28
Sat, 04 Jul  11 AM
37
30
Sat, 04 Jul  12 PM
39
31
Sat, 04 Jul  01 PM
40
33
Sat, 04 Jul  02 PM
41
35
Sat, 04 Jul  03 PM
42
37
Sat, 04 Jul  04 PM
43
39
Sat, 04 Jul   05 PM
43
40
Sat, 04 Jul   06 PM
43
41
Sat, 04 Jul   07 PM
44
42
Sat, 04 Jul   08 PM
47
43
Sat, 04 Jul   09 PM
45
43
Sat, 04 Jul   10 PM
36
43
Sat, 04 Jul   11 PM
33
42
Sun, 05 Jul   12 AM
32
40
Sun, 05 Jul   01 AM
31
39
Sun, 05 Jul   02 AM
30
37
Sun, 05 Jul   03 AM
30
36
Sun, 05 Jul   04 AM
29
33
Sun, 05 Jul   05 AM
29
31
Sun, 05 Jul   06 AM
28
30
Sun, 05 Jul   07 AM
28
30
Sun, 05 Jul   08 AM
28
29
Sun, 05 Jul   09 AM
30
29
Sun, 05 Jul   10 AM
36
30
Sun, 05 Jul   11 AM
40
31
Sun, 05 Jul   12 PM
41
32
Sun, 05 Jul   01 PM
40
34
Sun, 05 Jul   02 PM
40
35
Sun, 05 Jul   03 PM
40
37
Sun, 05 Jul   04 PM
40
38
Sun, 05 Jul   05 PM
41
40
Sun, 05 Jul   06 PM
41
40
Sun, 05 Jul   07 PM
41
40
Sun, 05 Jul   08 PM
40
40
Sun, 05 Jul   09 PM
38
40
Sun, 05 Jul   10 PM
34
39
Sun, 05 Jul   11 PM
31
38
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Sat, 04 Jul  04 AM
16
1
Sat, 04 Jul  05 AM
3
1
Sat, 04 Jul  06 AM
0
1
Sat, 04 Jul  07 AM
1
1
Sat, 04 Jul  08 AM
0
2
Sat, 04 Jul  09 AM
0
4
Sat, 04 Jul  10 AM
0
4
Sat, 04 Jul  11 AM
0
4
Sat, 04 Jul  12 PM
0
4
Sat, 04 Jul  01 PM
1
3
Sat, 04 Jul  02 PM
0
3
Sat, 04 Jul  03 PM
0
2
Sat, 04 Jul  04 PM
0
1
Sat, 04 Jul  05 PM
0
0
Sat, 04 Jul  06 PM
0
0
Sat, 04 Jul  07 PM
2
0
Sat, 04 Jul  08 PM
2
1
Sat, 04 Jul  09 PM
6
1
Sat, 04 Jul  10 PM
3
0

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


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