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)
32
Good
Sterling, Colorado
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.46 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.00 μg/m³
0
55
155
255
425
605+
35.46 ppb
0
55
71
86
201
201+
0.25 ppb
0
36
76
186
605
1005+
2.56 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Sterling, Colorado
Sterling, Colorado
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AQI 33
Good
0.98μg/m³
PM2.5
3.89μg/m³
PM10
35.73ppb
O3
0.19ppb
SO2
2.62ppb
NO2
0.16ppm
CO
AQI 29
Good
4.99μg/m³
PM2.5
22.16μg/m³
PM10
31.41ppb
O3
0.79ppb
SO2
5.94ppb
NO2
0.22ppm
CO
AQI 31
Good
5.09μg/m³
PM2.5
22.01μg/m³
PM10
33.11ppb
O3
0.80ppb
SO2
6.10ppb
NO2
0.22ppm
CO
AQI 25
Good
4.46μg/m³
PM2.5
22.01μg/m³
PM10
27.06ppb
O3
0.80ppb
SO2
6.48ppb
NO2
0.23ppm
CO
AQI 25
Good
2.30μg/m³
PM2.5
10.00μg/m³
PM10
27.24ppb
O3
0.83ppb
SO2
2.83ppb
NO2
0.21ppm
CO
AQI 24
Good
4.26μg/m³
PM2.5
21.60μg/m³
PM10
25.72ppb
O3
0.80ppb
SO2
6.48ppb
NO2
0.24ppm
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 11:00:00 on 2026-01-22.
In the last 24 hrs, the best air quality in Sterling, Colorado was observed at 02:00:00 on 2026-01-22.
The current air quality in Sterling, Colorado is 32, 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 1.461 μg/m3.
The current PM10 concentration at Sterling, Colorado is 6.001 μg/m3.
The current carbon monoxide (CO) concentration at Sterling, Colorado is 0.16 ppm.
The current sulfur dioxide (SO2) concentration at Sterling, Colorado is 0.252 ppb.
The current ozone (O3) concentration at Sterling, Colorado is 35.459 ppm.
The current nitrogen dioxide (NO2) concentration at Sterling, Colorado is 2.563 ppb.
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