Air Quality in Broomfield, United States

Clear
31.9°C · 27.4% humidity
31.9°
Feels 31.9°
51
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
43 2pm
36
36
51 5pm
47
44
49 8pm
47
46
45 11pm
44
44
44 2am
37
36
36 5am
36
36
36 8am
36
36
36 11am
36
36
Station readings
53
44
21
CAMS model adj +9
34
27
27
27
27
27
34
34
34
34
34
34
34
27
27
27
27
27
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

47h · 1 stn

Broomfield's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

27.4%
Humidity
27.7 km/h
Wind ESE
1009.5 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
51
12.09 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Broomfield?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.512.09 µg/m³ ✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
Station readings (1 station within 25 km)
12.09
Median
12.09
Average
12.09
Low
12.09
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -4.7

What is the 7-day forecast for Broomfield?

08-03
35.5° 20.3°
0.94 mm
08-04
33.9° 19.3°
0.31 mm
08-05
37.2° 16.1°
0.13 mm
08-06
33.7° 18.7°
0.06 mm
08-07
35.9° 19.1°
08-08
37.7° 22.0°
08-09
34.9° 21.2°
0.56 mm
Both models agree Avg diff: 3.8°C

Where are air quality stations near Broomfield?

88
Northwest Open Space
7.0 km PM2.5: 29.5 µg/m³
88
Westminster Town Hall
7.2 km PM2.5: 29.7 µg/m³
83
Recreation Center, Senior Center, and Theatre
8.5 km PM2.5: 27.1 µg/m³
83
North Mor Elementary School
9.9 km PM2.5: 27.1 µg/m³
86
Westminster MAC
11.4 km PM2.5: 28.8 µg/m³
63
Thornton Community Park
12.1 km PM2.5: 17.6 µg/m³
85
Fremont Elementary School
12.6 km PM2.5: 28.1 µg/m³
87
Silver Creek
12.6 km PM2.5: 29.1 µg/m³
83
Rotella Park
13.7 km PM2.5: 27.2 µg/m³
77
Trail Winds Recreation Center
14.0 km PM2.5: 24.6 µg/m³

What cities are near Broomfield?

31 Louisville 51 Northglenn 51 Thornton 51 Sherrelwood 51 Arvada 31 Erie 51 Wheat Ridge 51 Commerce City 31 Boulder 51 Golden
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:52 UTC.