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Air quality in Illinois

Air quality index (AQI⁺) and PM2.5 air pollution in Illinois • 12:22, Nov 15

Live most polluted city ranking

Real-time Illinois most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of USA

East St. Louis

113

2
The national flag of USA

Fairmont

77

3
The national flag of USA

Glen Ellyn

77

4
The national flag of USA

Fox River Grove

74

5
The national flag of USA

Elgin

66

6
The national flag of USA

Winfield

64

7
The national flag of USA

Bartlett

63

8
The national flag of USA

Stickney

61

9
The national flag of USA

Lockport

60

10
The national flag of USA

Mount Prospect

60

Live cleanest city ranking

Real-time Illinois cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Kendall County

7

2
The national flag of USA

Arlington Heights

11

3
The national flag of USA

Lake Zurich

11

4
The national flag of USA

Northbrook

11

5
The national flag of USA

Wilmette

11

6
The national flag of USA

Arrowsmith

12

7
The national flag of USA

Winnebago County

14

8
The national flag of USA

Putnam County

15

9
The national flag of USA

Gurnee

17

10
The national flag of USA

La Grange

17

Wildfires in Illinois

Real-time information

Active fires

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Which is the most polluted city in Illinois?