Air Quality Forecast Guidance for Longmont, CO

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 40.18 N, longitude: 105.10 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 11/25, 4Z)
46
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)

6Z Model Run
8 Hour Average Ozone
Concentration (PPB)

6Z Model Run
Tue, 24 Nov  08 AM
25
27
Tue, 24 Nov  09 AM
27
28
Tue, 24 Nov  10 AM
25
28
Tue, 24 Nov  11 AM
31
28
Tue, 24 Nov  12 PM
40
29
Tue, 24 Nov  01 PM
46
31
Tue, 24 Nov  02 PM
44
33
Tue, 24 Nov  03 PM
44
35
Tue, 24 Nov  04 PM
38
37
Tue, 24 Nov   05 PM
26
37
Tue, 24 Nov   06 PM
17
36
Tue, 24 Nov   07 PM
12
33
Tue, 24 Nov   08 PM
12
30
Tue, 24 Nov   09 PM
12
26
Tue, 24 Nov   10 PM
15
22
Tue, 24 Nov   11 PM
17
19
Wed, 25 Nov   12 AM
17
16
Wed, 25 Nov   01 AM
19
15
Wed, 25 Nov   02 AM
19
16
Wed, 25 Nov   03 AM
19
16
Wed, 25 Nov   04 AM
17
17
Wed, 25 Nov   05 AM
15
17
Wed, 25 Nov   06 AM
11
17
Wed, 25 Nov   07 AM
9
16
Wed, 25 Nov   08 AM
9
15
Wed, 25 Nov   09 AM
20
15
Wed, 25 Nov   10 AM
23
15
Wed, 25 Nov   11 AM
31
17
Wed, 25 Nov   12 PM
36
19
Wed, 25 Nov   01 PM
40
22
Wed, 25 Nov   02 PM
43
26
Wed, 25 Nov   03 PM
41
30
Wed, 25 Nov   04 PM
33
33
Wed, 25 Nov   05 PM
15
33
Wed, 25 Nov   06 PM
6
31
Wed, 25 Nov   07 PM
6
28
Wed, 25 Nov   08 PM
13
25
Wed, 25 Nov   09 PM
18
22
Wed, 25 Nov   10 PM
16
19
Wed, 25 Nov   11 PM
16
15
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Tue, 24 Nov  08 AM
0
0
Tue, 24 Nov  09 AM
0
0
Tue, 24 Nov  10 AM
0
0
Tue, 24 Nov  11 AM
0
0
Tue, 24 Nov  12 PM
0
0
Tue, 24 Nov  01 PM
0
0
Tue, 24 Nov  02 PM
0
0
Tue, 24 Nov  03 PM
0
0
Tue, 24 Nov  04 PM
0
0
Tue, 24 Nov  05 PM
0
0
Tue, 24 Nov  06 PM
0
0
Tue, 24 Nov  07 PM
0
0
Tue, 24 Nov  08 PM
0
0
Tue, 24 Nov  09 PM
1
0
Tue, 24 Nov  10 PM
0
0
Tue, 24 Nov  11 PM
0
0
Wed, 25 Nov  12 AM
0
0
Wed, 25 Nov  01 AM
1
0
Wed, 25 Nov  02 AM
1
0
Wed, 25 Nov  03 AM
1
0
Wed, 25 Nov  04 AM
0
0
Wed, 25 Nov  05 AM
1
0
Wed, 25 Nov  06 AM
0
0
Wed, 25 Nov  07 AM
0
0
Wed, 25 Nov  08 AM
0
0
Wed, 25 Nov  09 AM
0
0
Wed, 25 Nov  10 AM
0
0
Wed, 25 Nov  11 AM
0
0
Wed, 25 Nov  12 PM
0
0
Wed, 25 Nov  01 PM
0
0
Wed, 25 Nov  02 PM
0
0
Wed, 25 Nov  03 PM
0
0
Wed, 25 Nov  04 PM
0
0
Wed, 25 Nov  05 PM
0
0
Wed, 25 Nov  06 PM
0
0
Wed, 25 Nov  07 PM
0
0
Wed, 25 Nov  08 PM
0
0
Wed, 25 Nov  09 PM
0
0
Wed, 25 Nov  10 PM
0
0

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


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