Stay updated with real-time air quality in Sterling, 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)
45
Good
Sterling, Colorado
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.00 μg/m³
0
55
155
255
425
605+
48.55 ppb
0
55
71
86
201
201+
0.17 ppb
0
36
76
186
605
1005+
0.32 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Sterling, Colorado
Sterling, Colorado
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AQI 48
Good
6.59μg/m³
PM2.5
29.39μg/m³
PM10
51.77ppb
O3
0.19ppb
SO2
0.31ppb
NO2
0.14ppm
CO
AQI 54
Moderate
10.73μg/m³
PM2.5
46.96μg/m³
PM10
55.01ppb
O3
0.76ppb
SO2
3.98ppb
NO2
0.20ppm
CO
AQI 54
Moderate
11.34μg/m³
PM2.5
50.65μg/m³
PM10
54.39ppb
O3
0.76ppb
SO2
3.89ppb
NO2
0.20ppm
CO
AQI 49
Good
8.70μg/m³
PM2.5
31.32μg/m³
PM10
51.49ppb
O3
0.77ppb
SO2
3.07ppb
NO2
0.20ppm
CO
AQI 71
Moderate
9.30μg/m³
PM2.5
42.00μg/m³
PM10
60.70ppb
O3
0.82ppb
SO2
2.49ppb
NO2
0.20ppm
CO
AQI 46
Good
8.00μg/m³
PM2.5
26.02μg/m³
PM10
50.47ppb
O3
0.77ppb
SO2
2.73ppb
NO2
0.21ppm
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 Sterling, Colorado is updated every hour.
The worst air quality in Sterling, Colorado in the last 24 hours was observed at 04:00:00 on 2026-07-23.
In the last 24 hrs, the best air quality in Sterling, Colorado was observed at 11:00:00 on 2026-07-23.
The current air quality in Sterling, Colorado is 45, categorized as Good based on real-time data.
The most common pollutant in Sterling, Colorado is O3.
If the air quality in Sterling, Colorado is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Sterling, Colorado is 7.804 μg/m3.
The current PM10 concentration at Sterling, Colorado is 34.004 μg/m3.
The current carbon monoxide (CO) concentration at Sterling, Colorado is 0.154 ppm.
The current sulfur dioxide (SO2) concentration at Sterling, Colorado is 0.172 ppb.
The current ozone (O3) concentration at Sterling, Colorado is 48.548 ppm.
The current nitrogen dioxide (NO2) concentration at Sterling, Colorado is 0.317 ppb.
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