Hourly Weather | Today Wednesday, July 15, 2026
Chattanooga, Tennessee
7 PM
Cloudy Weather
84°
Feels Like 91°
27
Humidity: 71%
UV Index: 1
Wind: 6 mph
8 PM
Cloudy Weather
82°
Feels Like 90°
15
Humidity: 73%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Weather
81°
Feels Like 88°
15
Humidity: 80%
UV Index: 0
Wind: 4 mph
10 PM
Cloudy Weather
79°
Feels Like 88°
15
Humidity: 83%
UV Index: 0
Wind: 2 mph
11 PM
Cloudy Weather
79°
Feels Like 86°
15
Humidity: 87%
UV Index: 0
Wind: 2 mph

Hourly Air Quality Forecast - AQI (US EPA)

7 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.06 µg/m³
  • PM10: 7.29 µg/m³
  • O3: 0.035 ppm
  • NO2: 2.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

8 PM
32 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.03 µg/m³
  • PM10: 7.19 µg/m³
  • O3: 0.034 ppm
  • NO2: 2.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.95 µg/m³
  • PM10: 7.32 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.99 µg/m³
  • PM10: 7.98 µg/m³
  • O3: 0.022 ppm
  • NO2: 2.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.01 µg/m³
  • PM10: 8.57 µg/m³
  • O3: 0.016 ppm
  • NO2: 2.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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