Air quality index67Moderate

Acceptable for most people; unusually sensitive people should take it easier outdoors.

Next 24 hours

US AQI

77Now
68
59
6311 PM
68
73
742 AM
75
77
715 AM
66
61
588 AM
54
51
5611 AM
61
67
692 PM
72
75
715 PM
67
63

Air quality outlook

Worst hour each day

Today94Moderate
Fri 977Moderate
Sat 1049Good
Sun 11500Hazardous
Mon 1241Good

From our air-quality forecast models (GEOS-CF / GEFS aerosols). AQI uses the US EPA scale.

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About Broomfield weather

Broomfield is in Broomfield County, Colorado, United States at 39.92°, -105.09°. Right now it’s 79° and haze; today’s high is 84° with a 2% chance of rain.

Colorado's climate is defined by dramatic elevation changes, from the eastern plains at around 3,500 feet to over 50 peaks exceeding 14,000 feet in the Rocky Mountains. Denver, known as the Mile High City, enjoys over 300 days of sunshine per year and has a semi-arid climate with low humidity. Temperature swings of 40 degrees or more in a single day are not uncommon along the Front Range.