Hourly Weather | Today Monday, June 29, 2026
Fort Smith, Arkansas
10 PM
Night
86°
Feels Like 91°
0
Humidity: 66%
UV Index: 0
Wind: 6 mph
11 PM
Night
84°
Feels Like 90°
0
Humidity: 68%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

10 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.4 µg/m³
  • PM10: 8.36 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.2 ppb
  • SO2: 1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

11 PM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.16 µg/m³
  • PM10: 7.98 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.4 ppb
  • SO2: 1.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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