Air Quality Forecast Guidance for South Portland, ME

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 43.61 N, longitude: 70.22 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 06/07, 4Z)
38
35
*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
Tue, 06 Jun  02 PM
37
33
Tue, 06 Jun  03 PM
35
34
Tue, 06 Jun  04 PM
34
35
Tue, 06 Jun  05 PM
32
35
Tue, 06 Jun  06 PM
31
35
Tue, 06 Jun  07 PM
30
34
Tue, 06 Jun   08 PM
27
33
Tue, 06 Jun   09 PM
24
32
Tue, 06 Jun   10 PM
22
30
Tue, 06 Jun   11 PM
23
28
Wed, 07 Jun   12 AM
24
27
Wed, 07 Jun   01 AM
26
26
Wed, 07 Jun   02 AM
25
25
Wed, 07 Jun   03 AM
21
24
Wed, 07 Jun   04 AM
19
23
Wed, 07 Jun   05 AM
16
22
Wed, 07 Jun   06 AM
16
21
Wed, 07 Jun   07 AM
12
20
Wed, 07 Jun   08 AM
7
18
Wed, 07 Jun   09 AM
7
15
Wed, 07 Jun   10 AM
8
13
Wed, 07 Jun   11 AM
10
12
Wed, 07 Jun   12 PM
14
11
Wed, 07 Jun   01 PM
20
12
Wed, 07 Jun   02 PM
24
13
Wed, 07 Jun   03 PM
26
15
Wed, 07 Jun   04 PM
25
17
Wed, 07 Jun   05 PM
24
19
Wed, 07 Jun   06 PM
18
20
Wed, 07 Jun   07 PM
16
21
Wed, 07 Jun   08 PM
12
21
Wed, 07 Jun   09 PM
11
20
Wed, 07 Jun   10 PM
8
18
Wed, 07 Jun   11 PM
6
15
Thu, 08 Jun   12 AM
10
13
Thu, 08 Jun   01 AM
16
12
Thu, 08 Jun   02 AM
19
12
Thu, 08 Jun   03 AM
17
13
Thu, 08 Jun   04 AM
16
13
Thu, 08 Jun   05 AM
16
14
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, 06 Jun  02 PM
0
0
Tue, 06 Jun  03 PM
0
0
Tue, 06 Jun  04 PM
0
0
Tue, 06 Jun  05 PM
0
0
Tue, 06 Jun  06 PM
0
0
Tue, 06 Jun  07 PM
0
0
Tue, 06 Jun  08 PM
0
0
Tue, 06 Jun  09 PM
0
0
Tue, 06 Jun  10 PM
0
0
Tue, 06 Jun  11 PM
0
0
Wed, 07 Jun  12 AM
0
0
Wed, 07 Jun  01 AM
0
0
Wed, 07 Jun  02 AM
0
0
Wed, 07 Jun  03 AM
0
0
Wed, 07 Jun  04 AM
0
0
Wed, 07 Jun  05 AM
0
0
Wed, 07 Jun  06 AM
0
0
Wed, 07 Jun  07 AM
0
0
Wed, 07 Jun  08 AM
0
0
Wed, 07 Jun  09 AM
0
0
Wed, 07 Jun  10 AM
0
0
Wed, 07 Jun  11 AM
0
0
Wed, 07 Jun  12 PM
0
0
Wed, 07 Jun  01 PM
0
0
Wed, 07 Jun  02 PM
0
0
Wed, 07 Jun  03 PM
0
0
Wed, 07 Jun  04 PM
0
0
Wed, 07 Jun  05 PM
0
0
Wed, 07 Jun  06 PM
0
0
Wed, 07 Jun  07 PM
0
0
Wed, 07 Jun  08 PM
0
0
Wed, 07 Jun  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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