Air Quality Forecast Guidance for Langley, WA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 48.03 N, longitude: 122.44 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
30
*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  09 PM
23
29
Sat, 31 Jul  10 PM
23
29
Sat, 31 Jul  11 PM
24
29
Sun, 01 Aug  12 AM
23
28
Sun, 01 Aug  01 AM
23
27
Sun, 01 Aug  02 AM
22
25
Sun, 01 Aug  03 AM
19
23
Sun, 01 Aug  04 AM
18
22
Sun, 01 Aug  05 AM
16
21
Sun, 01 Aug  06 AM
16
20
Sun, 01 Aug  07 AM
15
19
Sun, 01 Aug  08 AM
14
18
Sun, 01 Aug  09 AM
13
17
Sun, 01 Aug  10 AM
14
16
Sun, 01 Aug  11 AM
19
16
Sun, 01 Aug  12 PM
25
17
Sun, 01 Aug  01 PM
30
18
Sun, 01 Aug  02 PM
32
20
Sun, 01 Aug  03 PM
35
23
Sun, 01 Aug  04 PM
36
25
Sun, 01 Aug   05 PM
36
28
Sun, 01 Aug   06 PM
35
31
Sun, 01 Aug   07 PM
27
32
Sun, 01 Aug   08 PM
21
32
Sun, 01 Aug   09 PM
22
31
Sun, 01 Aug   10 PM
23
30
Sun, 01 Aug   11 PM
22
28
Mon, 02 Aug   12 AM
20
26
Mon, 02 Aug   01 AM
18
24
Mon, 02 Aug   02 AM
16
21
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  09 PM
0
58
Sat, 31 Jul  10 PM
0
65
Sat, 31 Jul  11 PM
0
58
Sun, 01 Aug  12 AM
0
63
Sun, 01 Aug  01 AM
0
41
Sun, 01 Aug  02 AM
0
61
Sun, 01 Aug  03 AM
0
73
Sun, 01 Aug  04 AM
0
107
Sun, 01 Aug  05 AM
0
212
Sun, 01 Aug  06 AM
0
207
Sun, 01 Aug  07 AM
0
226
Sun, 01 Aug  08 AM
0
241
Sun, 01 Aug  09 AM
0
193
Sun, 01 Aug  10 AM
0
161
Sun, 01 Aug  11 AM
0
176
Sun, 01 Aug  12 PM
0
161
Sun, 01 Aug  01 PM
0
184
Sun, 01 Aug  02 PM
0
221
Sun, 01 Aug  03 PM
0
184
Sun, 01 Aug  04 PM
0
147
Sun, 01 Aug  05 PM
0
85
Sun, 01 Aug  06 PM
0
124
Sun, 01 Aug  07 PM
0
142
Sun, 01 Aug  08 PM
0
136
Sun, 01 Aug  09 PM
0
74
Sun, 01 Aug  10 PM
0
39

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


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