Hourly Weather | Today Tuesday, August 4, 2026
Chattanooga, Tennessee
9 PM
Cloudy Night
81°
Feels Like 88°
45
Humidity: 76%
UV Index: 0
Wind: 2 mph
10 PM
Cloudy Night
79°
Feels Like 84°
41
Humidity: 81%
UV Index: 0
Wind: 1 mph
11 PM
Cloudy Night
75°
Feels Like 82°
43
Humidity: 85%
UV Index: 0
Wind: 1 mph

Hourly Air Quality Forecast - AQI (US EPA)

9 PM
29 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.89 µg/m³
  • PM10: 9.47 µg/m³
  • O3: 0.031 ppm
  • NO2: 3.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

10 PM
32 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.78 µg/m³
  • PM10: 10.93 µg/m³
  • O3: 0.026 ppm
  • NO2: 3.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

11 PM
37 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.78 µg/m³
  • PM10: 12.07 µg/m³
  • O3: 0.021 ppm
  • NO2: 2.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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