What is the air quality in Broomfield today?

The current Air Quality Index (AQI) in Broomfield is 46 (Good). PM2.5 concentration is 11.09 µg/m³.

What is the temperature in Broomfield right now?

The current temperature in Broomfield is 29.8°C (feels like 29.8°C). Humidity is 20.8% and wind speed is 85.0 km/h.

Is it safe to go outside in Broomfield?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 2.2 (Moderate).

Air Quality in Broomfield, United States

Rain

29.8°C · 20.8% humidity

29.8°

Feels 29.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated

21 3pm

46 6pm

32 9pm

26 12am

22 3am

21 6am

21 9am

21 12pm

Station readings 4h ago

AQI 9

PM2.5 2.2 µg/m³ · 4h ago

CAMS model adj -4

Air Quality Index Trend

11h · 1 stn

View full history →

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. Current PM2.5 concentration in Broomfield is 2.2× the WHO annual guideline of 5 µg/m³.

20.8%

Humidity

85.0 km/h

Wind NW

1012.5 hPa

Pressure

2.2

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

11.09 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for Broomfield?

Temperature & Precipitation

PM2.5 Trend

11h · 1 station

PM2.511.09 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX2.2

Moderate

Station readings (4 stations within 25 km)

11.09

Median

12.53

Average

2.9

Low

30.2

High

PM2.5 µg/m³ · Model: 7.1 · Bias: -4.0

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: 4.9°C

Where are air quality stations near Broomfield?

Northwest Open Space

7.0 km PM2.5: 6.3 µg/m³

Westminster Town Hall

7.2 km PM2.5: 6.6 µg/m³

North Mor Elementary School

9.9 km PM2.5: 5.6 µg/m³

North Star

10.7 km PM2.5: 4.4 µg/m³

Thornton Community Park

12.1 km PM2.5: 4.3 µg/m³

Fremont Elementary School

12.6 km PM2.5: 6.2 µg/m³

Silver Creek

12.6 km PM2.5: 6.4 µg/m³

Rotella Park

13.7 km PM2.5: 5.3 µg/m³

Trail Winds Recreation Center

14.0 km PM2.5: 5.0 µg/m³

Welby, Colorado, USA

14.8 km PM2.5: 15.9 µg/m³

What cities are near Broomfield?

35 Louisville 36 Northglenn 31 Thornton 36 Sherrelwood 53 Arvada 46 Erie 59 Wheat Ridge 26 Commerce City 46 Boulder 55 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 2026-05-29T00:13 UTC.