Stay updated with real-time air quality in Evanston, Wyoming featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
30
Good
Evanston, Wyoming
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.86 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.69 μg/m³
0
55
155
255
425
605+
31.97 ppb
0
55
71
86
201
201+
1.15 ppb
0
36
76
186
605
1005+
10.31 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Evanston, Wyoming
Scroll To Air Quality MapLoading...
AQI 67
Moderate
17.93μg/m³
PM2.5
42.39μg/m³
PM10
10.03ppb
O3
1.37ppb
SO2
33.40ppb
NO2
0.80ppm
CO
AQI 67
Moderate
17.61μg/m³
PM2.5
70.99μg/m³
PM10
6.79ppb
O3
1.42ppb
SO2
34.73ppb
NO2
0.70ppm
CO
AQI 66
Moderate
17.13μg/m³
PM2.5
36.59μg/m³
PM10
6.04ppb
O3
1.33ppb
SO2
29.05ppb
NO2
0.77ppm
CO
AQI 56
Moderate
11.53μg/m³
PM2.5
43.41μg/m³
PM10
15.02ppb
O3
1.26ppb
SO2
21.40ppb
NO2
0.76ppm
CO
AQI 67
Moderate
17.53μg/m³
PM2.5
47.33μg/m³
PM10
10.23ppb
O3
1.36ppb
SO2
32.42ppb
NO2
0.79ppm
CO
AQI 67
Moderate
18.37μg/m³
PM2.5
79.53μg/m³
PM10
6.25ppb
O3
1.47ppb
SO2
38.26ppb
NO2
0.71ppm
CO
Air quality data and pollutant measurements for Wyoming, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Evanston, Wyoming is updated every hour.
The worst air quality in Evanston, Wyoming in the last 24 hours was observed at 06:00:00 on 2026-01-22.
In the last 24 hrs, the best air quality in Evanston, Wyoming was observed at 11:00:00 on 2026-01-22.
The current air quality in Evanston, Wyoming is 30, categorized as Good based on real-time data.
The most common pollutant in Evanston, Wyoming is O3.
If the air quality in Evanston, Wyoming is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Evanston, Wyoming is 3.861 μg/m3.
The current PM10 concentration at Evanston, Wyoming is 16.691 μg/m3.
The current carbon monoxide (CO) concentration at Evanston, Wyoming is 0.225 ppm.
The current sulfur dioxide (SO2) concentration at Evanston, Wyoming is 1.152 ppb.
The current ozone (O3) concentration at Evanston, Wyoming is 31.966 ppm.
The current nitrogen dioxide (NO2) concentration at Evanston, Wyoming is 10.309 ppb.
All Rights Reserved © Ambee Inc. 2025