Air Quality Forecast Guidance for Issaquah, WA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 47.51 N, longitude: 122.05 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 10/22, 4Z)
40
37
*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
Thu, 21 Oct  02 PM
40
28
Thu, 21 Oct  03 PM
40
31
Thu, 21 Oct  04 PM
39
34
Thu, 21 Oct   05 PM
36
36
Thu, 21 Oct   06 PM
33
37
Thu, 21 Oct   07 PM
30
37
Thu, 21 Oct   08 PM
18
34
Thu, 21 Oct   09 PM
10
31
Thu, 21 Oct   10 PM
8
27
Thu, 21 Oct   11 PM
8
23
Fri, 22 Oct   12 AM
11
19
Fri, 22 Oct   01 AM
18
17
Fri, 22 Oct   02 AM
21
15
Fri, 22 Oct   03 AM
20
14
Fri, 22 Oct   04 AM
19
14
Fri, 22 Oct   05 AM
17
15
Fri, 22 Oct   06 AM
16
16
Fri, 22 Oct   07 AM
17
17
Fri, 22 Oct   08 AM
18
18
Fri, 22 Oct   09 AM
18
18
Fri, 22 Oct   10 AM
22
18
Fri, 22 Oct   11 AM
28
19
Fri, 22 Oct   12 PM
30
21
Fri, 22 Oct   01 PM
31
22
Fri, 22 Oct   02 PM
28
24
Fri, 22 Oct   03 PM
27
25
Fri, 22 Oct   04 PM
28
26
Fri, 22 Oct   05 PM
28
28
Fri, 22 Oct   06 PM
29
29
Fri, 22 Oct   07 PM
30
29
Fri, 22 Oct   08 PM
28
28
Fri, 22 Oct   09 PM
25
28
Fri, 22 Oct   10 PM
24
27
Fri, 22 Oct   11 PM
22
27
Sat, 23 Oct   12 AM
22
26
Sat, 23 Oct   01 AM
21
25
Sat, 23 Oct   02 AM
20
24
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Thu, 21 Oct  02 PM
1
3
Thu, 21 Oct  03 PM
1
2
Thu, 21 Oct  04 PM
0
1
Thu, 21 Oct  05 PM
4
1
Thu, 21 Oct  06 PM
0
1
Thu, 21 Oct  07 PM
0
2
Thu, 21 Oct  08 PM
3
1
Thu, 21 Oct  09 PM
1
2
Thu, 21 Oct  10 PM
5
3
Thu, 21 Oct  11 PM
1
5
Fri, 22 Oct  12 AM
2
6
Fri, 22 Oct  01 AM
6
2
Fri, 22 Oct  02 AM
7
1
Fri, 22 Oct  03 AM
2
0
Fri, 22 Oct  04 AM
3
0
Fri, 22 Oct  05 AM
0
0
Fri, 22 Oct  06 AM
0
0
Fri, 22 Oct  07 AM
1
1
Fri, 22 Oct  08 AM
0
2
Fri, 22 Oct  09 AM
0
3
Fri, 22 Oct  10 AM
0
3
Fri, 22 Oct  11 AM
0
4
Fri, 22 Oct  12 PM
0
4
Fri, 22 Oct  01 PM
0
4
Fri, 22 Oct  02 PM
0
2
Fri, 22 Oct  03 PM
8
2
Fri, 22 Oct  04 PM
2
2
Fri, 22 Oct  05 PM
0
1
Fri, 22 Oct  06 PM
0
1
Fri, 22 Oct  07 PM
0
1
Fri, 22 Oct  08 PM
8
1
Fri, 22 Oct  09 PM
0
1
Fri, 22 Oct  10 PM
0
2

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


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