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)
43
Good
Monument, Colorado
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.76 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.63 μg/m³
0
55
155
255
425
605+
45.50 ppb
0
55
71
86
201
201+
0.77 ppb
0
36
76
186
605
1005+
12.59 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 46
Good
5.16μg/m³
PM2.5
24.63μg/m³
PM10
50.30ppb
O3
0.78ppb
SO2
12.60ppb
NO2
0.19ppm
CO
AQI 43
Good
5.46μg/m³
PM2.5
23.38μg/m³
PM10
46.47ppb
O3
0.77ppb
SO2
12.62ppb
NO2
0.19ppm
CO
AQI 49
Good
4.80μg/m³
PM2.5
22.50μg/m³
PM10
52.85ppb
O3
0.77ppb
SO2
12.62ppb
NO2
0.19ppm
CO
AQI 43
Good
4.63μg/m³
PM2.5
23.45μg/m³
PM10
46.31ppb
O3
0.77ppb
SO2
12.49ppb
NO2
0.19ppm
CO
AQI 42
Good
5.44μg/m³
PM2.5
22.37μg/m³
PM10
45.32ppb
O3
0.77ppb
SO2
12.63ppb
NO2
0.19ppm
CO
AQI 43
Good
5.39μg/m³
PM2.5
22.80μg/m³
PM10
45.83ppb
O3
0.77ppb
SO2
12.63ppb
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 01:00:00 on 2025-07-14.
In the last 24 hrs, the best air quality in Monument, Colorado was observed at 12:00:00 on 2025-07-14.
The current air quality in Monument, Colorado is 43, categorized as Good 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 4.758 μg/m3.
The current PM10 concentration at Monument, Colorado is 23.63 μg/m3.
The current carbon monoxide (CO) concentration at Monument, Colorado is 0.19 ppm.
The current sulfur dioxide (SO2) concentration at Monument, Colorado is 0.774 ppb.
The current ozone (O3) concentration at Monument, Colorado is 45.504 ppm.
The current nitrogen dioxide (NO2) concentration at Monument, Colorado is 12.586 ppb.
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