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)
34
Good
Broomfield, Colorado
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.10 μg/m³
0
55
155
255
425
605+
37.12 ppb
0
55
71
86
201
201+
0.52 ppb
0
36
76
186
605
1005+
15.39 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Broomfield, Colorado
Broomfield, Colorado
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AQI 36
Good
3.65μg/m³
PM2.5
10.66μg/m³
PM10
39.25ppb
O3
0.53ppb
SO2
13.35ppb
NO2
0.25ppm
CO
AQI 37
Good
3.68μg/m³
PM2.5
9.27μg/m³
PM10
39.69ppb
O3
0.52ppb
SO2
13.89ppb
NO2
0.25ppm
CO
AQI 36
Good
3.73μg/m³
PM2.5
11.80μg/m³
PM10
38.74ppb
O3
0.54ppb
SO2
12.14ppb
NO2
0.25ppm
CO
AQI 31
Good
4.97μg/m³
PM2.5
15.55μg/m³
PM10
33.36ppb
O3
0.57ppb
SO2
15.37ppb
NO2
0.29ppm
CO
AQI 31
Good
4.92μg/m³
PM2.5
15.16μg/m³
PM10
33.39ppb
O3
0.57ppb
SO2
14.93ppb
NO2
0.29ppm
CO
AQI 31
Good
5.13μg/m³
PM2.5
17.27μg/m³
PM10
33.03ppb
O3
0.56ppb
SO2
17.74ppb
NO2
0.29ppm
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 07:00:00 on 2025-06-05.
In the last 24 hrs, the best air quality in Broomfield, Colorado was observed at 08:00:00 on 2025-06-05.
The current air quality in Broomfield, Colorado is 34, 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 4.605 μg/m3.
The current PM10 concentration at Broomfield, Colorado is 17.099 μg/m3.
The current carbon monoxide (CO) concentration at Broomfield, Colorado is 0.265 ppm.
The current sulfur dioxide (SO2) concentration at Broomfield, Colorado is 0.521 ppb.
The current ozone (O3) concentration at Broomfield, Colorado is 37.115 ppm.
The current nitrogen dioxide (NO2) concentration at Broomfield, Colorado is 15.392 ppb.
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