Stay updated with real-time air quality in Broomfield, 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)
35
Good
Broomfield, Colorado
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.86 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
3.81 μg/m³
0
55
155
255
425
605+
37.94 ppb
0
55
71
86
201
201+
0.23 ppb
0
36
76
186
605
1005+
7.72 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Broomfield, Colorado
Broomfield, Colorado
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AQI 37
Good
2.18μg/m³
PM2.5
7.27μg/m³
PM10
40.04ppb
O3
0.30ppb
SO2
7.96ppb
NO2
0.17ppm
CO
AQI 39
Good
1.95μg/m³
PM2.5
6.44μg/m³
PM10
42.26ppb
O3
0.30ppb
SO2
7.80ppb
NO2
0.18ppm
CO
AQI 34
Good
2.58μg/m³
PM2.5
9.08μg/m³
PM10
36.83ppb
O3
0.31ppb
SO2
9.23ppb
NO2
0.17ppm
CO
AQI 29
Good
2.03μg/m³
PM2.5
7.26μg/m³
PM10
30.84ppb
O3
0.25ppb
SO2
15.43ppb
NO2
0.16ppm
CO
AQI 28
Good
2.07μg/m³
PM2.5
7.36μg/m³
PM10
30.32ppb
O3
0.25ppb
SO2
15.43ppb
NO2
0.17ppm
CO
AQI 32
Good
1.68μg/m³
PM2.5
6.06μg/m³
PM10
34.68ppb
O3
0.23ppb
SO2
13.93ppb
NO2
0.15ppm
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 Broomfield, Colorado is updated every hour.
The worst air quality in Broomfield, Colorado in the last 24 hours was observed at 03:00:00 on 2025-12-06.
In the last 24 hrs, the best air quality in Broomfield, Colorado was observed at 08:00:00 on 2025-12-06.
The current air quality in Broomfield, Colorado is 35, categorized as Good based on real-time data.
The most common pollutant in Broomfield, Colorado is O3.
If the air quality in Broomfield, Colorado is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Broomfield, Colorado is 1.863 μg/m3.
The current PM10 concentration at Broomfield, Colorado is 3.81 μg/m3.
The current carbon monoxide (CO) concentration at Broomfield, Colorado is 0.219 ppm.
The current sulfur dioxide (SO2) concentration at Broomfield, Colorado is 0.233 ppb.
The current ozone (O3) concentration at Broomfield, Colorado is 37.942 ppm.
The current nitrogen dioxide (NO2) concentration at Broomfield, Colorado is 7.721 ppb.
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