Air Quality Forecast Guidance for Ashley, ND

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 45.93 N, longitude: 99.44 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 08/05, 4Z)
48
46
*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
Wed, 04 Aug  05 PM
47
40
Wed, 04 Aug  06 PM
47
42
Wed, 04 Aug   07 PM
48
44
Wed, 04 Aug   08 PM
47
45
Wed, 04 Aug   09 PM
46
46
Wed, 04 Aug   10 PM
42
46
Wed, 04 Aug   11 PM
43
45
Thu, 05 Aug   12 AM
40
45
Thu, 05 Aug   01 AM
36
44
Thu, 05 Aug   02 AM
32
42
Thu, 05 Aug   03 AM
28
39
Thu, 05 Aug   04 AM
24
36
Thu, 05 Aug   05 AM
20
33
Thu, 05 Aug   06 AM
21
30
Thu, 05 Aug   07 AM
26
28
Thu, 05 Aug   08 AM
29
27
Thu, 05 Aug   09 AM
31
26
Thu, 05 Aug   10 AM
34
27
Thu, 05 Aug   11 AM
38
28
Thu, 05 Aug   12 PM
40
30
Thu, 05 Aug   01 PM
41
32
Thu, 05 Aug   02 PM
41
35
Thu, 05 Aug   03 PM
42
37
Thu, 05 Aug   04 PM
44
39
Thu, 05 Aug   05 PM
46
41
Thu, 05 Aug   06 PM
49
43
Thu, 05 Aug   07 PM
50
44
Thu, 05 Aug   08 PM
49
45
Thu, 05 Aug   09 PM
45
46
Thu, 05 Aug   10 PM
38
45
Thu, 05 Aug   11 PM
34
44
Fri, 06 Aug   12 AM
33
43
Fri, 06 Aug   01 AM
33
41
Fri, 06 Aug   02 AM
31
39
Fri, 06 Aug   03 AM
30
37
Fri, 06 Aug   04 AM
28
34
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Wed, 04 Aug  05 PM
0
5
Wed, 04 Aug  06 PM
0
4
Wed, 04 Aug  07 PM
0
10
Wed, 04 Aug  08 PM
0
5
Wed, 04 Aug  09 PM
0
7
Wed, 04 Aug  10 PM
0
4
Wed, 04 Aug  11 PM
0
6
Thu, 05 Aug  12 AM
0
5
Thu, 05 Aug  01 AM
0
5
Thu, 05 Aug  02 AM
0
5
Thu, 05 Aug  03 AM
0
4
Thu, 05 Aug  04 AM
0
12
Thu, 05 Aug  05 AM
0
43
Thu, 05 Aug  06 AM
0
24
Thu, 05 Aug  07 AM
0
46
Thu, 05 Aug  08 AM
43
91
Thu, 05 Aug  09 AM
107
141
Thu, 05 Aug  10 AM
231
164
Thu, 05 Aug  11 AM
530
173
Thu, 05 Aug  12 PM
336
119
Thu, 05 Aug  01 PM
373
137
Thu, 05 Aug  02 PM
200
134
Thu, 05 Aug  03 PM
174
153
Thu, 05 Aug  04 PM
158
124
Thu, 05 Aug  05 PM
175
141
Thu, 05 Aug  06 PM
269
176
Thu, 05 Aug  07 PM
176
186
Thu, 05 Aug  08 PM
151
137
Thu, 05 Aug  09 PM
95
109
Thu, 05 Aug  10 PM
56
104
Thu, 05 Aug  11 PM
20
70
Fri, 06 Aug  12 AM
0
81

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


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