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 04/19, 4Z)
52
43
*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
Sat, 18 Apr  06 PM
31
43
Sat, 18 Apr   07 PM
25
41
Sat, 18 Apr   08 PM
22
37
Sat, 18 Apr   09 PM
22
34
Sat, 18 Apr   10 PM
23
30
Sat, 18 Apr   11 PM
29
28
Sun, 19 Apr   12 AM
34
27
Sun, 19 Apr   01 AM
29
27
Sun, 19 Apr   02 AM
22
26
Sun, 19 Apr   03 AM
18
25
Sun, 19 Apr   04 AM
16
24
Sun, 19 Apr   05 AM
12
23
Sun, 19 Apr   06 AM
8
21
Sun, 19 Apr   07 AM
10
19
Sun, 19 Apr   08 AM
17
16
Sun, 19 Apr   09 AM
21
16
Sun, 19 Apr   10 AM
26
16
Sun, 19 Apr   11 AM
28
17
Sun, 19 Apr   12 PM
28
19
Sun, 19 Apr   01 PM
26
20
Sun, 19 Apr   02 PM
21
22
Sun, 19 Apr   03 PM
17
23
Sun, 19 Apr   04 PM
18
23
Sun, 19 Apr   05 PM
20
23
Sun, 19 Apr   06 PM
25
23
Sun, 19 Apr   07 PM
23
22
Sun, 19 Apr   08 PM
23
22
Sun, 19 Apr   09 PM
22
21
Sun, 19 Apr   10 PM
23
21
Sun, 19 Apr   11 PM
24
22
Mon, 20 Apr   12 AM
28
23
Mon, 20 Apr   01 AM
27
24
Mon, 20 Apr   02 AM
28
25
Mon, 20 Apr   03 AM
31
26
Mon, 20 Apr   04 AM
37
28
Mon, 20 Apr   05 AM
35
29
Mon, 20 Apr   06 AM
29
30
Mon, 20 Apr   07 AM
18
29
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, 18 Apr  06 PM
0
0
Sat, 18 Apr  07 PM
0
0
Sat, 18 Apr  08 PM
0
0
Sat, 18 Apr  09 PM
0
0
Sat, 18 Apr  10 PM
0
0
Sat, 18 Apr  11 PM
0
0
Sun, 19 Apr  12 AM
0
0
Sun, 19 Apr  01 AM
0
0
Sun, 19 Apr  02 AM
0
0
Sun, 19 Apr  03 AM
0
0
Sun, 19 Apr  04 AM
0
0
Sun, 19 Apr  05 AM
0
0
Sun, 19 Apr  06 AM
0
0
Sun, 19 Apr  07 AM
0
0
Sun, 19 Apr  08 AM
0
0
Sun, 19 Apr  09 AM
0
0
Sun, 19 Apr  10 AM
0
0
Sun, 19 Apr  11 AM
0
0
Sun, 19 Apr  12 PM
0
0
Sun, 19 Apr  01 PM
0
0
Sun, 19 Apr  02 PM
0
0
Sun, 19 Apr  03 PM
0
0
Sun, 19 Apr  04 PM
0
0
Sun, 19 Apr  05 PM
0
0
Sun, 19 Apr  06 PM
0
0
Sun, 19 Apr  07 PM
0
0
Sun, 19 Apr  08 PM
0
0
Sun, 19 Apr  09 PM
0
0
Sun, 19 Apr  10 PM
0
0
Sun, 19 Apr  11 PM
0
0
Mon, 20 Apr  12 AM
0
0

National Weather Service Air Quality Program Page
Environmental Protection Agency AirNow Forecast Page
Graphical Air Quality Forecast Guidance
FAQ


    US Dept of Commerce
    National Oceanic and Atmospheric Administration
    National Weather Service
    1325 East West Highway
    Silver Spring, MD 20910
    Page Author: NWS Internet Services Team
Disclaimer
Information Quality
Credits
Glossary
Privacy Policy
Freedom of Information Act (FOIA)
About Us
Career Opportunities