Today | Weather | Monday, October 12, 2026

Weather in Fort Smith, Arkansas

08:07 PM
Now
Night
82° F
Feels Like 81°
Precipitation 0 %
Wind 6 mph
Humidity 43 %
Today
Night
Day 95°
Night 72°
Precipitation 3 %
Wind 5 mph

Fort Smith Weather Forecast Updated

49 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 12, 2025)
Cloudy Night

Day

88°

Night

64°

Wind

5 mph

Precipitation

5 %

Air Quality in Fort Smith

NOW
37 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.51 µg/m³
PM10 11.01 µg/m³
O3 0.040 ppm
NO2 1.1 ppb
SO2 0.4 ppb
CO 0.09 ppm
NH3 1.28 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 5.51 µg/m³
PM10 – 11.01 µg/m³
O3 – 79.25 µg/m³
NO2 – 2.12 µg/m³
SO2 – 1.04 µg/m³
CO – 106.63 µg/m³
NH3 – 1.28 µg/m³
NO – 0 µg/m³