Air Quality in Broomfield, United States

Clear
30.2°C · 13.4% humidity
30.2°
Feels 30.2°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
27 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
29 8am
29
29
40 11am
37
35
33 2pm
32
31
30 5pm
30
30
30 8pm
31
31
31 11pm
38
31
31 2am
31
31
31 5am
31
31
Station readings
42
24
21
CAMS model adj +4
25
25
25
25
25
25
25
25
25
25
25
25
25
27
27
27
34
27
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

17h · 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.

13.4%
Humidity
29.6 km/h
Wind ESE
1013.1 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
40
9.56 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Broomfield?

Temperature & Precipitation

PM2.5 Trend

17h · 1 station
PM2.59.56 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (27 stations within 25 km)
9.56
Median
9.28
Average
4.41
Low
14.13
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -3.3

What is the 7-day forecast for Broomfield?

05-29
30.2° 14.6°
14.44 mm
05-30
29.9° 13.8°
0.62 mm
05-31
29.6° 15.6°
0.88 mm
06-01
28.2° 15.0°
06-02
35.6° 17.4°
06-03
35.5° 16.0°
06-04
33.7° 13.7°
9.81 mm
Both models agree Avg diff: 4.8°C

Where are air quality stations near Broomfield?

51
Northwest Open Space
7.0 km PM2.5: 12.1 µg/m³
47
Westminster Town Hall
7.2 km PM2.5: 11.2 µg/m³
43
North Mor Elementary School
9.9 km PM2.5: 10.3 µg/m³
28
North Star
10.7 km PM2.5: 6.6 µg/m³
30
Thornton Community Park
12.1 km PM2.5: 7.2 µg/m³
42
Fremont Elementary School
12.6 km PM2.5: 10.2 µg/m³
55
Silver Creek
12.6 km PM2.5: 14.1 µg/m³
44
Rotella Park
13.7 km PM2.5: 10.6 µg/m³
45
Trail Winds Recreation Center
14.0 km PM2.5: 10.8 µg/m³
14
Welby, Colorado, USA
14.8 km PM2.5: 3.4 µg/m³

What cities are near Broomfield?

40 Louisville 39 Northglenn 34 Thornton 35 Sherrelwood 37 Arvada 47 Erie 37 Wheat Ridge 46 Commerce City 30 Boulder 37 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 2026-05-29T17:44 UTC.