Air Quality Forecast Guidance for Medford, MA

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 42.41 N, longitude: 71.12 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 06/27, 4Z)
59
57
*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
Sun, 26 Jun  06 PM
53
57
Sun, 26 Jun  07 PM
53
56
Sun, 26 Jun   08 PM
54
56
Sun, 26 Jun   09 PM
50
55
Sun, 26 Jun   10 PM
44
53
Sun, 26 Jun   11 PM
43
51
Mon, 27 Jun   12 AM
42
49
Mon, 27 Jun   01 AM
37
47
Mon, 27 Jun   02 AM
36
45
Mon, 27 Jun   03 AM
34
43
Mon, 27 Jun   04 AM
30
40
Mon, 27 Jun   05 AM
25
36
Mon, 27 Jun   06 AM
27
34
Mon, 27 Jun   07 AM
26
32
Mon, 27 Jun   08 AM
25
30
Mon, 27 Jun   09 AM
25
29
Mon, 27 Jun   10 AM
25
27
Mon, 27 Jun   11 AM
34
27
Mon, 27 Jun   12 PM
39
28
Mon, 27 Jun   01 PM
35
30
Mon, 27 Jun   02 PM
28
30
Mon, 27 Jun   03 PM
20
29
Mon, 27 Jun   04 PM
16
28
Mon, 27 Jun   05 PM
19
27
Mon, 27 Jun   06 PM
17
26
Mon, 27 Jun   07 PM
13
23
Mon, 27 Jun   08 PM
12
20
Mon, 27 Jun   09 PM
17
18
Mon, 27 Jun   10 PM
22
17
Mon, 27 Jun   11 PM
28
18
Tue, 28 Jun   12 AM
32
20
Tue, 28 Jun   01 AM
30
21
Tue, 28 Jun   02 AM
31
23
Tue, 28 Jun   03 AM
29
25
Tue, 28 Jun   04 AM
29
27
Tue, 28 Jun   05 AM
26
28
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Sun, 26 Jun  06 PM
0
0
Sun, 26 Jun  07 PM
0
0
Sun, 26 Jun  08 PM
0
0
Sun, 26 Jun  09 PM
0
0
Sun, 26 Jun  10 PM
0
0
Sun, 26 Jun  11 PM
0
0
Mon, 27 Jun  12 AM
0
0
Mon, 27 Jun  01 AM
0
0
Mon, 27 Jun  02 AM
0
0
Mon, 27 Jun  03 AM
0
0
Mon, 27 Jun  04 AM
0
0
Mon, 27 Jun  05 AM
0
0
Mon, 27 Jun  06 AM
0
1
Mon, 27 Jun  07 AM
0
1
Mon, 27 Jun  08 AM
0
1
Mon, 27 Jun  09 AM
0
1
Mon, 27 Jun  10 AM
0
1
Mon, 27 Jun  11 AM
0
1
Mon, 27 Jun  12 PM
0
1
Mon, 27 Jun  01 PM
0
1
Mon, 27 Jun  02 PM
0
1
Mon, 27 Jun  03 PM
0
1
Mon, 27 Jun  04 PM
0
1
Mon, 27 Jun  05 PM
1
1
Mon, 27 Jun  06 PM
1
1
Mon, 27 Jun  07 PM
0
0
Mon, 27 Jun  08 PM
0
0
Mon, 27 Jun  09 PM
0
0
Mon, 27 Jun  10 PM
1
0
Mon, 27 Jun  11 PM
0
0
Tue, 28 Jun  12 AM
0
0
Tue, 28 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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