Stay updated with real-time air quality in Monument, 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)
64
Moderate
Monument, Colorado
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.12 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.81 μg/m³
0
55
155
255
425
605+
59.37 ppb
0
55
71
86
201
201+
0.82 ppb
0
36
76
186
605
1005+
11.48 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Monument, Colorado
Monument, Colorado
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AQI 74
Moderate
6.26μg/m³
PM2.5
22.82μg/m³
PM10
61.69ppb
O3
0.82ppb
SO2
11.33ppb
NO2
0.18ppm
CO
AQI 71
Moderate
4.21μg/m³
PM2.5
15.03μg/m³
PM10
60.88ppb
O3
0.81ppb
SO2
11.28ppb
NO2
0.19ppm
CO
AQI 67
Moderate
4.01μg/m³
PM2.5
17.77μg/m³
PM10
60.34ppb
O3
0.81ppb
SO2
11.30ppb
NO2
0.19ppm
CO
AQI 49
Good
8.13μg/m³
PM2.5
33.88μg/m³
PM10
53.14ppb
O3
0.83ppb
SO2
11.68ppb
NO2
0.19ppm
CO
AQI 64
Moderate
4.19μg/m³
PM2.5
16.18μg/m³
PM10
58.95ppb
O3
0.81ppb
SO2
11.30ppb
NO2
0.19ppm
CO
AQI 64
Moderate
4.15μg/m³
PM2.5
16.22μg/m³
PM10
59.29ppb
O3
0.81ppb
SO2
11.30ppb
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 Monument, Colorado is updated every hour.
The worst air quality in Monument, Colorado in the last 24 hours was observed at 09:00:00 on 2026-07-22.
In the last 24 hrs, the best air quality in Monument, Colorado was observed at 12:00:00 on 2026-07-23.
The current air quality in Monument, Colorado is 64, categorized as Moderate based on real-time data.
The most common pollutant in Monument, Colorado is O3.
If the air quality in Monument, Colorado is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Monument, Colorado is 7.12 μg/m3.
The current PM10 concentration at Monument, Colorado is 30.81 μg/m3.
The current carbon monoxide (CO) concentration at Monument, Colorado is 0.186 ppm.
The current sulfur dioxide (SO2) concentration at Monument, Colorado is 0.822 ppb.
The current ozone (O3) concentration at Monument, Colorado is 59.365 ppm.
The current nitrogen dioxide (NO2) concentration at Monument, Colorado is 11.476 ppb.
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