Air Quality Forecast Guidance for Leicester, MA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 42.25 N, longitude: 71.90 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 06/19, 4Z)
67
58
*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
Fri, 18 Jun  05 PM
51
43
Fri, 18 Jun  06 PM
60
47
Fri, 18 Jun  07 PM
61
50
Fri, 18 Jun   08 PM
67
53
Fri, 18 Jun   09 PM
64
55
Fri, 18 Jun   10 PM
53
56
Fri, 18 Jun   11 PM
50
57
Sat, 19 Jun   12 AM
54
58
Sat, 19 Jun   01 AM
52
58
Sat, 19 Jun   02 AM
43
56
Sat, 19 Jun   03 AM
35
52
Sat, 19 Jun   04 AM
39
49
Sat, 19 Jun   05 AM
38
46
Sat, 19 Jun   06 AM
38
44
Sat, 19 Jun   07 AM
36
42
Sat, 19 Jun   08 AM
33
39
Sat, 19 Jun   09 AM
32
37
Sat, 19 Jun   10 AM
32
36
Sat, 19 Jun   11 AM
34
35
Sat, 19 Jun   12 PM
41
36
Sat, 19 Jun   01 PM
47
37
Sat, 19 Jun   02 PM
51
38
Sat, 19 Jun   03 PM
47
40
Sat, 19 Jun   04 PM
45
41
Sat, 19 Jun   05 PM
42
42
Sat, 19 Jun   06 PM
40
43
Sat, 19 Jun   07 PM
42
44
Sat, 19 Jun   08 PM
36
44
Sat, 19 Jun   09 PM
36
42
Sat, 19 Jun   10 PM
27
39
Sat, 19 Jun   11 PM
27
37
Sun, 20 Jun   12 AM
32
35
Sun, 20 Jun   01 AM
34
34
Sun, 20 Jun   02 AM
32
33
Sun, 20 Jun   03 AM
31
32
Sun, 20 Jun   04 AM
28
31
Sun, 20 Jun   05 AM
23
29
Sun, 20 Jun   06 AM
22
29
Sun, 20 Jun   07 AM
31
29
Sun, 20 Jun   08 AM
35
30
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Fri, 18 Jun  05 PM
0
0
Fri, 18 Jun  06 PM
0
0
Fri, 18 Jun  07 PM
0
0
Fri, 18 Jun  08 PM
0
0
Fri, 18 Jun  09 PM
0
0
Fri, 18 Jun  10 PM
0
0
Fri, 18 Jun  11 PM
0
0
Sat, 19 Jun  12 AM
0
0
Sat, 19 Jun  01 AM
0
0
Sat, 19 Jun  02 AM
0
0
Sat, 19 Jun  03 AM
0
0
Sat, 19 Jun  04 AM
0
0
Sat, 19 Jun  05 AM
0
1
Sat, 19 Jun  06 AM
0
0
Sat, 19 Jun  07 AM
0
1
Sat, 19 Jun  08 AM
0
1
Sat, 19 Jun  09 AM
0
0
Sat, 19 Jun  10 AM
0
0
Sat, 19 Jun  11 AM
0
0
Sat, 19 Jun  12 PM
0
0
Sat, 19 Jun  01 PM
0
0
Sat, 19 Jun  02 PM
0
0
Sat, 19 Jun  03 PM
0
0
Sat, 19 Jun  04 PM
0
0
Sat, 19 Jun  05 PM
0
0
Sat, 19 Jun  06 PM
0
0
Sat, 19 Jun  07 PM
0
0
Sat, 19 Jun  08 PM
0
0
Sat, 19 Jun  09 PM
0
0
Sat, 19 Jun  10 PM
0
0
Sat, 19 Jun  11 PM
0
0
Sun, 20 Jun  12 AM
0
0
Sun, 20 Jun  01 AM
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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