Air Quality Forecast Guidance for Nashua, NH

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 42.75 N, longitude: 71.46 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 05/30, 4Z)
43
40
*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, 29 May  03 PM
42
36
Mon, 29 May  04 PM
43
39
Mon, 29 May  05 PM
42
40
Mon, 29 May  06 PM
39
40
Mon, 29 May  07 PM
39
40
Mon, 29 May   08 PM
33
40
Mon, 29 May   09 PM
26
38
Mon, 29 May   10 PM
23
36
Mon, 29 May   11 PM
21
33
Tue, 30 May   12 AM
20
30
Tue, 30 May   01 AM
15
27
Tue, 30 May   02 AM
12
24
Tue, 30 May   03 AM
9
20
Tue, 30 May   04 AM
8
17
Tue, 30 May   05 AM
6
14
Tue, 30 May   06 AM
3
12
Tue, 30 May   07 AM
4
10
Tue, 30 May   08 AM
14
9
Tue, 30 May   09 AM
25
10
Tue, 30 May   10 AM
33
13
Tue, 30 May   11 AM
37
16
Tue, 30 May   12 PM
41
20
Tue, 30 May   01 PM
46
25
Tue, 30 May   02 PM
49
31
Tue, 30 May   03 PM
51
37
Tue, 30 May   04 PM
53
42
Tue, 30 May   05 PM
53
45
Tue, 30 May   06 PM
46
47
Tue, 30 May   07 PM
38
47
Tue, 30 May   08 PM
29
46
Tue, 30 May   09 PM
22
43
Tue, 30 May   10 PM
19
39
Tue, 30 May   11 PM
19
35
Wed, 31 May   12 AM
19
31
Wed, 31 May   01 AM
12
26
Wed, 31 May   02 AM
8
21
Wed, 31 May   03 AM
5
17
Wed, 31 May   04 AM
4
13
Wed, 31 May   05 AM
2
11
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, 29 May  03 PM
0
0
Mon, 29 May  04 PM
0
0
Mon, 29 May  05 PM
0
0
Mon, 29 May  06 PM
0
0
Mon, 29 May  07 PM
0
0
Mon, 29 May  08 PM
0
0
Mon, 29 May  09 PM
0
0
Mon, 29 May  10 PM
0
0
Mon, 29 May  11 PM
0
0
Tue, 30 May  12 AM
0
0
Tue, 30 May  01 AM
0
0
Tue, 30 May  02 AM
0
0
Tue, 30 May  03 AM
0
0
Tue, 30 May  04 AM
0
0
Tue, 30 May  05 AM
0
0
Tue, 30 May  06 AM
0
0
Tue, 30 May  07 AM
0
0
Tue, 30 May  08 AM
0
0
Tue, 30 May  09 AM
0
0
Tue, 30 May  10 AM
0
0
Tue, 30 May  11 AM
0
0
Tue, 30 May  12 PM
0
0
Tue, 30 May  01 PM
0
0
Tue, 30 May  02 PM
0
0
Tue, 30 May  03 PM
0
0
Tue, 30 May  04 PM
0
0
Tue, 30 May  05 PM
0
0
Tue, 30 May  06 PM
0
0
Tue, 30 May  07 PM
0
0
Tue, 30 May  08 PM
0
0
Tue, 30 May  09 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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