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 02/10, 4Z)
32
31
*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, 09 Feb  02 PM
32
28
Tue, 09 Feb  03 PM
32
28
Tue, 09 Feb   04 PM
32
30
Tue, 09 Feb   05 PM
31
30
Tue, 09 Feb   06 PM
31
31
Tue, 09 Feb   07 PM
28
31
Tue, 09 Feb   08 PM
27
30
Tue, 09 Feb   09 PM
27
30
Tue, 09 Feb   10 PM
26
29
Tue, 09 Feb   11 PM
26
29
Wed, 10 Feb   12 AM
25
28
Wed, 10 Feb   01 AM
25
27
Wed, 10 Feb   02 AM
24
26
Wed, 10 Feb   03 AM
24
26
Wed, 10 Feb   04 AM
24
25
Wed, 10 Feb   05 AM
23
25
Wed, 10 Feb   06 AM
23
24
Wed, 10 Feb   07 AM
22
24
Wed, 10 Feb   08 AM
22
24
Wed, 10 Feb   09 AM
24
23
Wed, 10 Feb   10 AM
25
24
Wed, 10 Feb   11 AM
26
24
Wed, 10 Feb   12 PM
27
24
Wed, 10 Feb   01 PM
29
25
Wed, 10 Feb   02 PM
30
26
Wed, 10 Feb   03 PM
30
27
Wed, 10 Feb   04 PM
30
28
Wed, 10 Feb   05 PM
30
28
Wed, 10 Feb   06 PM
29
29
Wed, 10 Feb   07 PM
29
29
Wed, 10 Feb   08 PM
29
29
Wed, 10 Feb   09 PM
29
30
Wed, 10 Feb   10 PM
30
30
Wed, 10 Feb   11 PM
30
29
Thu, 11 Feb   12 AM
29
29
Thu, 11 Feb   01 AM
30
29
Thu, 11 Feb   02 AM
30
29
Thu, 11 Feb   03 AM
30
29
Thu, 11 Feb   04 AM
29
29
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, 09 Feb  02 PM
0
0
Tue, 09 Feb  03 PM
0
0
Tue, 09 Feb  04 PM
0
0
Tue, 09 Feb  05 PM
0
0
Tue, 09 Feb  06 PM
0
0
Tue, 09 Feb  07 PM
0
0
Tue, 09 Feb  08 PM
0
0
Tue, 09 Feb  09 PM
0
0
Tue, 09 Feb  10 PM
0
0
Tue, 09 Feb  11 PM
0
0
Wed, 10 Feb  12 AM
0
0
Wed, 10 Feb  01 AM
0
0
Wed, 10 Feb  02 AM
0
0
Wed, 10 Feb  03 AM
0
0
Wed, 10 Feb  04 AM
0
0
Wed, 10 Feb  05 AM
0
0
Wed, 10 Feb  06 AM
0
0
Wed, 10 Feb  07 AM
0
0
Wed, 10 Feb  08 AM
0
0
Wed, 10 Feb  09 AM
0
0
Wed, 10 Feb  10 AM
0
0
Wed, 10 Feb  11 AM
0
0
Wed, 10 Feb  12 PM
0
0
Wed, 10 Feb  01 PM
0
0
Wed, 10 Feb  02 PM
0
0
Wed, 10 Feb  03 PM
0
0
Wed, 10 Feb  04 PM
0
0
Wed, 10 Feb  05 PM
0
0
Wed, 10 Feb  06 PM
0
0
Wed, 10 Feb  07 PM
0
0
Wed, 10 Feb  08 PM
0
0
Wed, 10 Feb  09 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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