Air Quality Forecast Guidance for East Hill-meridian, WA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 47.39 N, longitude: 122.17 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 08/01, 4Z)
41
34
*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
Sat, 31 Jul  10 PM
20
32
Sat, 31 Jul  11 PM
16
30
Sun, 01 Aug  12 AM
11
27
Sun, 01 Aug  01 AM
8
24
Sun, 01 Aug  02 AM
7
20
Sun, 01 Aug  03 AM
6
16
Sun, 01 Aug  04 AM
6
12
Sun, 01 Aug  05 AM
3
10
Sun, 01 Aug  06 AM
3
7
Sun, 01 Aug  07 AM
2
6
Sun, 01 Aug  08 AM
1
4
Sun, 01 Aug  09 AM
0
3
Sun, 01 Aug  10 AM
0
3
Sun, 01 Aug  11 AM
3
2
Sun, 01 Aug  12 PM
15
3
Sun, 01 Aug  01 PM
27
6
Sun, 01 Aug  02 PM
34
10
Sun, 01 Aug  03 PM
39
15
Sun, 01 Aug  04 PM
39
20
Sun, 01 Aug   05 PM
37
24
Sun, 01 Aug   06 PM
34
29
Sun, 01 Aug   07 PM
28
32
Sun, 01 Aug   08 PM
22
33
Sun, 01 Aug   09 PM
10
30
Sun, 01 Aug   10 PM
4
27
Sun, 01 Aug   11 PM
5
22
Mon, 02 Aug   12 AM
4
18
Mon, 02 Aug   01 AM
2
14
Mon, 02 Aug   02 AM
2
10
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, 31 Jul  10 PM
0
52
Sat, 31 Jul  11 PM
0
54
Sun, 01 Aug  12 AM
0
92
Sun, 01 Aug  01 AM
0
114
Sun, 01 Aug  02 AM
0
131
Sun, 01 Aug  03 AM
0
201
Sun, 01 Aug  04 AM
0
162
Sun, 01 Aug  05 AM
0
191
Sun, 01 Aug  06 AM
0
164
Sun, 01 Aug  07 AM
0
145
Sun, 01 Aug  08 AM
0
127
Sun, 01 Aug  09 AM
0
112
Sun, 01 Aug  10 AM
0
217
Sun, 01 Aug  11 AM
0
432
Sun, 01 Aug  12 PM
0
634
Sun, 01 Aug  01 PM
0
453
Sun, 01 Aug  02 PM
0
501
Sun, 01 Aug  03 PM
0
441
Sun, 01 Aug  04 PM
0
520
Sun, 01 Aug  05 PM
20
436
Sun, 01 Aug  06 PM
28
270
Sun, 01 Aug  07 PM
0
210
Sun, 01 Aug  08 PM
309
167
Sun, 01 Aug  09 PM
1033
102
Sun, 01 Aug  10 PM
1698
101

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


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