Stay updated with real-time air quality in Evans, Colorado 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)
56
Moderate
Evans, Colorado
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
53.91 μg/m³
0
55
155
255
425
605+
52.97 ppb
0
55
71
86
201
201+
0.80 ppb
0
36
76
186
605
1005+
5.07 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Evans, Colorado
Evans, Colorado
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AQI 56
Moderate
12.27μg/m³
PM2.5
54.89μg/m³
PM10
52.25ppb
O3
0.80ppb
SO2
5.14ppb
NO2
0.20ppm
CO
AQI 54
Moderate
11.04μg/m³
PM2.5
35.86μg/m³
PM10
49.83ppb
O3
0.82ppb
SO2
5.27ppb
NO2
0.19ppm
CO
AQI 44
Good
7.99μg/m³
PM2.5
27.43μg/m³
PM10
47.55ppb
O3
0.84ppb
SO2
3.64ppb
NO2
0.20ppm
CO
AQI 49
Good
8.98μg/m³
PM2.5
34.07μg/m³
PM10
48.63ppb
O3
0.83ppb
SO2
4.02ppb
NO2
0.20ppm
CO
AQI 52
Moderate
9.85μg/m³
PM2.5
36.56μg/m³
PM10
45.93ppb
O3
0.84ppb
SO2
4.89ppb
NO2
0.20ppm
CO
AQI 52
Moderate
10.30μg/m³
PM2.5
31.30μg/m³
PM10
51.69ppb
O3
0.82ppb
SO2
5.71ppb
NO2
0.19ppm
CO
Air quality data and pollutant measurements for Colorado, 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 Evans, Colorado is updated every hour.
The worst air quality in Evans, Colorado in the last 24 hours was observed at 10:00:00 on 2026-07-22.
In the last 24 hrs, the best air quality in Evans, Colorado was observed at 01:00:00 on 2026-07-23.
The current air quality in Evans, Colorado is 56, categorized as Moderate based on real-time data.
The most common pollutant in Evans, Colorado is PM2.5.
If the air quality in Evans, Colorado is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Evans, Colorado is 11.996 μg/m3.
The current PM10 concentration at Evans, Colorado is 53.912 μg/m3.
The current carbon monoxide (CO) concentration at Evans, Colorado is 0.198 ppm.
The current sulfur dioxide (SO2) concentration at Evans, Colorado is 0.801 ppb.
The current ozone (O3) concentration at Evans, Colorado is 52.972 ppm.
The current nitrogen dioxide (NO2) concentration at Evans, Colorado is 5.07 ppb.
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