Air quality in Illinois

Air quality index (AQI) and PM2.5 air pollution in Illinois

Last update at (local time)

LIVE AQI CITY RANKING

Real-time Illinois
Most polluted city ranking

#cityUS AQI
1 Elwood

63

2 Joliet

59

3 Naperville

59

4 Urbana

57

5 Lisle

56

6 Peoria

55

7 Champaign

53

8 Newark

47

9 Peotone

40

10 Alsip

35

(local time)

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Air Quality Data contributor(s)

Station(s) operated by

Contributors

55

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LIVE AQI CITY RANKING

Real-time Illinois
Cleanest city ranking

#cityUS AQI
1 Evanston

0

2 Brookfield

1

3 La Grange

2

4 Rockton

3

5 Waukegan

4

6 Crainville

5

7 Near South Side

5

8 Cicero

7

9 Lake Forest

7

10 Morton Grove

7

(local time)

SEE WORLD AQI RANKING
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
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How to best protect from air pollution?

Reduce your air pollution exposure in Illinois

Illinois air quality data attribution

Contributors 55

Which is the most polluted city in Illinois?

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