Illinois PM2.5 Daily Averages
24-hour Standard – 35 micrograms per cubic meter
Unhealthy for Sensitive Groups – 35.5 micrograms per cubic meter
(values in micrograms per cubic meter)
| Region |
County |
Site |
2/7 |
2/8 |
2/9 |
2/10 |
2/11 |
2/12 |
2/13 |
| Chicago Metropolitan |
Cook |
Alsip |
9.5 |
4.1 |
11.0 |
7.3 |
-- |
-- |
-- |
| |
Cook |
Chicago - ComEd |
13.3 |
7.7 |
11.2 |
11.3 |
5.9 |
4.5 |
8.0 |
| |
Cook |
Chicago - Springfield |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
| |
Cook |
Chicago - Washington |
12.8 |
-- |
14.3 |
8.7 |
5.6 |
5.8 |
8.8 |
| |
Cook |
Maywood |
8.7 |
5.1 |
10.6 |
8.5 |
4.2 |
4.0 |
4.9 |
| |
Cook |
Northbrook |
-- |
7.9 |
14.5 |
13.1 |
6.0 |
6.0 |
10.4 |
| |
Du Page |
Naperville |
7.6 |
5.5 |
9.9 |
9.7 |
2.6 |
2.0 |
4.0 |
| |
McHenry |
Cary |
7.7 |
6.1 |
10.4 |
7.8 |
3.7 |
3.5 |
5.1 |
| West Central Illinois |
Peoria |
Peoria - Jefferson |
19.1 |
9.7 |
13.5 |
14.6 |
-- |
-- |
-- |
| East Central Illinois |
Macon |
Decatur |
16.3 |
9.9 |
11.7 |
12.6 |
5.9 |
4.0 |
8.5 |
| Metro East |
Madison |
Granite City |
18.5 |
9.8 |
11.0 |
14.0 |
3.9 |
5.7 |
8.1 |
| |
St. Clair |
East St. Louis |
18.0 |
9.4 |
8.7 |
12.5 |
4.3 |
6.1 |
7.2 |
|
