Hourly Weather | Today Tuesday, June 9, 2026
Fort Smith, Arkansas
9 PM
Night
86°
Feels Like 90°
0
Humidity: 62%
UV Index: 0
Wind: 5 mph
10 PM
Night
82°
Feels Like 88°
0
Humidity: 67%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
81°
Feels Like 86°
0
Humidity: 74%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

9 PM
22 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.65 µg/m³
  • PM10: 6.84 µg/m³
  • O3: 0.024 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.56 µg/m³
  • PM10: 6.75 µg/m³
  • O3: 0.020 ppm
  • NO2: 1 ppb
  • SO2: 0.3 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.4 µg/m³
  • PM10: 6.51 µg/m³
  • O3: 0.018 ppm
  • NO2: 1.1 ppb
  • SO2: 0.4 ppb
  • CO: 0.08 ppm

Health Recommendations:

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