Air quality index77Moderate

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

Next 24 hours

US AQI

80Now
77
75
731 AM
71
69
684 AM
67
63
597 AM
55
61
6810 AM
75
82
901 PM
98
77
564 PM
35
54
727 PM
90
82

Air quality outlook

Worst hour each day

Today92Moderate
Thu 898Moderate
Fri 9112Unhealthy for sensitive groups
Sat 1082Moderate
Sun 1173Moderate

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

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About Fort Smith weather

Fort Smith is in Sebastian County, Arkansas, United States at 35.39°, -94.40°. Right now it’s 68° and clear; today’s high is 87° with a 0% chance of rain.

Arkansas has a humid subtropical climate with hot, humid summers and generally mild winters. The state receives approximately 50 inches of rainfall per year, distributed fairly evenly across all seasons. The Ouachita Mountains and Ozark Plateau in the western and northern parts of the state create varied microclimates with slightly cooler temperatures.