Air Quality Forecast Guidance for Douglas Park, IL

Displayed below are NOAA-EPA Air Quality Forecast Guidance values for
latitude: 41.84 N, longitude: 87.69 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 08/24, 4Z)
41
38
*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
Wed, 23 Aug  04 PM
40
32
Wed, 23 Aug  05 PM
39
36
Wed, 23 Aug  06 PM
37
38
Wed, 23 Aug   07 PM
34
38
Wed, 23 Aug   08 PM
27
37
Wed, 23 Aug   09 PM
20
35
Wed, 23 Aug   10 PM
15
31
Wed, 23 Aug   11 PM
14
28
Thu, 24 Aug   12 AM
11
25
Thu, 24 Aug   01 AM
10
21
Thu, 24 Aug   02 AM
12
18
Thu, 24 Aug   03 AM
16
16
Thu, 24 Aug   04 AM
19
15
Thu, 24 Aug   05 AM
24
15
Thu, 24 Aug   06 AM
24
16
Thu, 24 Aug   07 AM
20
17
Thu, 24 Aug   08 AM
21
18
Thu, 24 Aug   09 AM
26
20
Thu, 24 Aug   10 AM
24
22
Thu, 24 Aug   11 AM
22
22
Thu, 24 Aug   12 PM
24
23
Thu, 24 Aug   01 PM
27
23
Thu, 24 Aug   02 PM
30
24
Thu, 24 Aug   03 PM
31
26
Thu, 24 Aug   04 PM
32
27
Thu, 24 Aug   05 PM
32
28
Thu, 24 Aug   06 PM
33
29
Thu, 24 Aug   07 PM
32
30
Thu, 24 Aug   08 PM
30
31
Thu, 24 Aug   09 PM
29
31
Thu, 24 Aug   10 PM
27
31
Thu, 24 Aug   11 PM
27
30
Fri, 25 Aug   12 AM
27
30
Fri, 25 Aug   01 AM
24
29
Fri, 25 Aug   02 AM
23
27
Fri, 25 Aug   03 AM
24
26
Fri, 25 Aug   04 AM
25
26
Fri, 25 Aug   05 AM
26
25
Fri, 25 Aug   06 AM
25
25
Fri, 25 Aug   07 AM
22
24
Smoke
Ending Time
(Local Time)
1 Hour Surface Smoke (µg/m³)
06Z Model Run
1 Hour Column-Integrated
Smoke (µg/m³)

06Z Model Run
Wed, 23 Aug  04 PM
0
2
Wed, 23 Aug  05 PM
9
3
Wed, 23 Aug  06 PM
12
3
Wed, 23 Aug  07 PM
3
2
Wed, 23 Aug  08 PM
1
3
Wed, 23 Aug  09 PM
0
2
Wed, 23 Aug  10 PM
0
3
Wed, 23 Aug  11 PM
0
2
Thu, 24 Aug  12 AM
0
2
Thu, 24 Aug  01 AM
0
2
Thu, 24 Aug  02 AM
2
3
Thu, 24 Aug  03 AM
4
3
Thu, 24 Aug  04 AM
0
2
Thu, 24 Aug  05 AM
2
2
Thu, 24 Aug  06 AM
6
2
Thu, 24 Aug  07 AM
5
3
Thu, 24 Aug  08 AM
0
1
Thu, 24 Aug  09 AM
7
1
Thu, 24 Aug  10 AM
1
2
Thu, 24 Aug  11 AM
1
3
Thu, 24 Aug  12 PM
0
4
Thu, 24 Aug  01 PM
1
5
Thu, 24 Aug  02 PM
0
7
Thu, 24 Aug  03 PM
0
8
Thu, 24 Aug  04 PM
1
5
Thu, 24 Aug  05 PM
0
3
Thu, 24 Aug  06 PM
0
4
Thu, 24 Aug  07 PM
0
2
Thu, 24 Aug  08 PM
0
1
Thu, 24 Aug  09 PM
0
0
Thu, 24 Aug  10 PM
0
0
Thu, 24 Aug  11 PM
0
0
Fri, 25 Aug  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