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
Air Quality Index Trend
17h · 1 stnBroomfield'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▲
9.56 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Broomfield?
Temperature & Precipitation
PM2.5 Trend
17h · 1 stationPM2.59.56 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX24.9
Extreme
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
47
Westminster Town Hall
43
North Mor Elementary School
28
North Star
30
Thornton Community Park
42
Fremont Elementary School
55
Silver Creek
44
Rotella Park
45
Trail Winds Recreation Center
14
Welby, Colorado, USA
What cities are near Broomfield?
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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.