Air Quality Forecast Guidance for Western Springs, IL

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 41.81 N, longitude: 87.90 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 05/01, 4Z)
37
33
*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
Sat, 30 Apr  10 AM
21
28
Sat, 30 Apr  11 AM
25
26
Sat, 30 Apr  12 PM
27
25
Sat, 30 Apr  01 PM
30
25
Sat, 30 Apr  02 PM
30
25
Sat, 30 Apr  03 PM
29
26
Sat, 30 Apr  04 PM
28
26
Sat, 30 Apr  05 PM
29
28
Sat, 30 Apr  06 PM
30
29
Sat, 30 Apr   07 PM
30
29
Sat, 30 Apr   08 PM
30
30
Sat, 30 Apr   09 PM
32
30
Sat, 30 Apr   10 PM
33
30
Sat, 30 Apr   11 PM
34
31
Sun, 01 May   12 AM
34
31
Sun, 01 May   01 AM
33
32
Sun, 01 May   02 AM
33
32
Sun, 01 May   03 AM
33
33
Sun, 01 May   04 AM
33
33
Sun, 01 May   05 AM
34
33
Sun, 01 May   06 AM
34
34
Sun, 01 May   07 AM
32
33
Sun, 01 May   08 AM
31
33
Sun, 01 May   09 AM
30
33
Sun, 01 May   10 AM
29
32
Sun, 01 May   11 AM
30
32
Sun, 01 May   12 PM
31
32
Sun, 01 May   01 PM
32
31
Sun, 01 May   02 PM
32
31
Sun, 01 May   03 PM
33
31
Sun, 01 May   04 PM
33
31
Sun, 01 May   05 PM
32
32
Sun, 01 May   06 PM
31
32
Sun, 01 May   07 PM
30
32
Sun, 01 May   08 PM
29
32
Sun, 01 May   09 PM
29
31
Sun, 01 May   10 PM
30
31
Sun, 01 May   11 PM
31
30
Mon, 02 May   12 AM
31
30
Mon, 02 May   01 AM
32
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
Sat, 30 Apr  10 AM
0
0
Sat, 30 Apr  11 AM
0
0
Sat, 30 Apr  12 PM
0
0
Sat, 30 Apr  01 PM
0
0
Sat, 30 Apr  02 PM
0
0
Sat, 30 Apr  03 PM
0
0
Sat, 30 Apr  04 PM
0
0
Sat, 30 Apr  05 PM
0
0
Sat, 30 Apr  06 PM
0
0
Sat, 30 Apr  07 PM
0
0
Sat, 30 Apr  08 PM
0
0
Sat, 30 Apr  09 PM
0
0
Sat, 30 Apr  10 PM
0
0
Sat, 30 Apr  11 PM
0
0
Sun, 01 May  12 AM
0
0
Sun, 01 May  01 AM
0
0
Sun, 01 May  02 AM
0
0
Sun, 01 May  03 AM
0
0
Sun, 01 May  04 AM
0
0
Sun, 01 May  05 AM
0
0
Sun, 01 May  06 AM
0
0
Sun, 01 May  07 AM
0
0
Sun, 01 May  08 AM
0
0
Sun, 01 May  09 AM
0
0
Sun, 01 May  10 AM
0
0
Sun, 01 May  11 AM
0
0
Sun, 01 May  12 PM
0
0
Sun, 01 May  01 PM
0
0
Sun, 01 May  02 PM
0
0
Sun, 01 May  03 PM
0
0
Sun, 01 May  04 PM
0
0
Sun, 01 May  05 PM
0
0
Sun, 01 May  06 PM
0
0
Sun, 01 May  07 PM
0
0
Sun, 01 May  08 PM
0
0
Sun, 01 May  09 PM
0
0
Sun, 01 May  10 PM
0
0
Sun, 01 May  11 PM
0
0
Mon, 02 May  12 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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