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Air quality in Wyoming

Air quality index (AQI⁺) and PM2.5 air pollution in Wyoming • 19:11, Sep 24

Wyoming Department of Environmental QualityUSA National Park ServiceJordan HammerEPA Office of Atmospheric ProtectionJohnRd 161 RanchUtah Division of Air QualityAnonymous contributor
Wyoming Department of Environmental QualityUSA National Park ServiceJordan HammerEPA Office of Atmospheric ProtectionJohnRd 161 RanchUtah Division of Air QualityAnonymous contributor

Live most polluted city ranking

Real-time Wyoming most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Sweetwater

49

2
The national flag of USA

Albany County

42

3
The national flag of USA

Lincoln County

42

4
The national flag of USA

Sublette County

42

5
The national flag of USA

Cheyenne

40

6
The national flag of USA

Teton County

37

7
The national flag of USA

Big Horn

33

8
The national flag of USA

Park County

33

9
The national flag of USA

Dayton

32

10
The national flag of USA

Sheridan

31

Live cleanest city ranking

Real-time Wyoming cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of USA

Green River

0

2
The national flag of USA

Rawlins

2

3
The national flag of USA

Natrona County

6

4
The national flag of USA

Wright

7

5
The national flag of USA

Worland

8

6
The national flag of USA

Wilson

13

7
The national flag of USA

Riverton

15

8
The national flag of USA

Laramie County

17

9
The national flag of USA

Ranchettes

21

10
The national flag of USA

Evanston

24

Wildfires in Wyoming

Real-time information

Active fires

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September 24, 2026: Lahore among top 10 most polluted cities in the world

Forest fire.
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Wildfire Map Spotlight: Dome Fire, Yosemite National Park, California

Forest fire.
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Wildfire Map Spotlight: Sand Creek and Bobcat Lakes Fires, Montana

Which is the most polluted city in Wyoming?