Air Quality Forecast Guidance

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 48.08 N, longitude: 124.01 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 10/19, 4Z)
35
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
Mon, 18 Oct  11 AM
32
25
Mon, 18 Oct  12 PM
33
26
Mon, 18 Oct  01 PM
33
27
Mon, 18 Oct  02 PM
33
29
Mon, 18 Oct  03 PM
34
30
Mon, 18 Oct  04 PM
35
31
Mon, 18 Oct   05 PM
35
33
Mon, 18 Oct   06 PM
34
34
Mon, 18 Oct   07 PM
32
34
Mon, 18 Oct   08 PM
28
33
Mon, 18 Oct   09 PM
26
32
Mon, 18 Oct   10 PM
22
31
Mon, 18 Oct   11 PM
21
29
Tue, 19 Oct   12 AM
19
27
Tue, 19 Oct   01 AM
18
25
Tue, 19 Oct   02 AM
17
23
Tue, 19 Oct   03 AM
16
21
Tue, 19 Oct   04 AM
16
19
Tue, 19 Oct   05 AM
17
18
Tue, 19 Oct   06 AM
17
17
Tue, 19 Oct   07 AM
17
17
Tue, 19 Oct   08 AM
17
17
Tue, 19 Oct   09 AM
18
17
Tue, 19 Oct   10 AM
20
17
Tue, 19 Oct   11 AM
20
18
Tue, 19 Oct   12 PM
21
18
Tue, 19 Oct   01 PM
24
19
Tue, 19 Oct   02 PM
27
20
Tue, 19 Oct   03 PM
30
22
Tue, 19 Oct   04 PM
32
24
Tue, 19 Oct   05 PM
32
26
Tue, 19 Oct   06 PM
30
27
Tue, 19 Oct   07 PM
28
28
Tue, 19 Oct   08 PM
25
28
Tue, 19 Oct   09 PM
26
29
Tue, 19 Oct   10 PM
27
29
Tue, 19 Oct   11 PM
27
28
Wed, 20 Oct   12 AM
23
27
Wed, 20 Oct   01 AM
21
26
Wed, 20 Oct   02 AM
22
25
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)
06Z Model Run
Mon, 18 Oct  11 AM
0
0
Mon, 18 Oct  12 PM
0
0
Mon, 18 Oct  01 PM
0
0
Mon, 18 Oct  02 PM
0
0
Mon, 18 Oct  03 PM
0
0
Mon, 18 Oct  04 PM
0
0
Mon, 18 Oct  05 PM
0
0
Mon, 18 Oct  06 PM
0
0
Mon, 18 Oct  07 PM
0
0
Mon, 18 Oct  08 PM
0
0
Mon, 18 Oct  09 PM
0
0
Mon, 18 Oct  10 PM
0
0
Mon, 18 Oct  11 PM
0
0
Tue, 19 Oct  12 AM
0
0
Tue, 19 Oct  01 AM
0
0
Tue, 19 Oct  02 AM
0
0
Tue, 19 Oct  03 AM
0
0
Tue, 19 Oct  04 AM
0
0
Tue, 19 Oct  05 AM
0
0
Tue, 19 Oct  06 AM
6
1
Tue, 19 Oct  07 AM
0
0
Tue, 19 Oct  08 AM
0
1
Tue, 19 Oct  09 AM
0
2
Tue, 19 Oct  10 AM
0
3
Tue, 19 Oct  11 AM
0
7
Tue, 19 Oct  12 PM
0
7
Tue, 19 Oct  01 PM
1
6
Tue, 19 Oct  02 PM
2
4
Tue, 19 Oct  03 PM
4
4
Tue, 19 Oct  04 PM
3
2
Tue, 19 Oct  05 PM
3
3
Tue, 19 Oct  06 PM
4
3
Tue, 19 Oct  07 PM
12
3
Tue, 19 Oct  08 PM
12
2
Tue, 19 Oct  09 PM
9
2
Tue, 19 Oct  10 PM
9
2
National Weather Service Air Quality Program Page
Environmental Protection Agency AirNow Forecast Page
Graphical Air Quality Forecast Guidance
FAQ

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