Hourly Weather | Today Wednesday, December 24, 2025
Chattanooga, Tennessee
2 PM
Cloudy Weather
73°
Feels Like 72°
1
Humidity: 62%
Wind: 7 mph
UV Index: 1
3 PM
Cloudy Weather
72°
Feels Like 72°
1
Humidity: 64%
Wind: 6 mph
UV Index: 1
4 PM
Cloudy Weather
72°
Feels Like 70°
1
Humidity: 67%
Wind: 6 mph
UV Index: 0
5 PM
Cloudy Weather
70°
Feels Like 68°
1
Humidity: 70%
Wind: 6 mph
UV Index: 0
6 PM
Cloudy Weather
68°
Feels Like 66°
1
Humidity: 76%
Wind: 6 mph
UV Index: 0
7 PM
Cloudy Night
64°
Feels Like 64°
0
Humidity: 81%
Wind: 6 mph
UV Index: 0
8 PM
Cloudy Night
63°
Feels Like 61°
0
Humidity: 90%
Wind: 6 mph
UV Index: 0
9 PM
Cloudy Night
61°
Feels Like 59°
0
Humidity: 91%
Wind: 7 mph
UV Index: 0
10 PM
Night
61°
Feels Like 57°
0
Humidity: 90%
Wind: 7 mph
UV Index: 0
11 PM
Cloudy Night
59°
Feels Like 55°
0
Humidity: 94%
Wind: 8 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

2 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.39 µg/m³
  • PM10: 9.6 µg/m³
  • O3: 0.036 ppm
  • NO2: 1 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

3 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.69 µg/m³
  • PM10: 7.01 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

4 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.45 µg/m³
  • PM10: 6.72 µg/m³
  • O3: 0.037 ppm
  • NO2: 0.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

5 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.68 µg/m³
  • PM10: 7.39 µg/m³
  • O3: 0.033 ppm
  • NO2: 1.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

6 PM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.19 µg/m³
  • PM10: 8.64 µg/m³
  • O3: 0.026 ppm
  • NO2: 3.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

7 PM
24 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.71 µg/m³
  • PM10: 9.87 µg/m³
  • O3: 0.021 ppm
  • NO2: 5.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

8 PM
26 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.13 µg/m³
  • PM10: 10.84 µg/m³
  • O3: 0.017 ppm
  • NO2: 6.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.59 µg/m³
  • PM10: 11.72 µg/m³
  • O3: 0.015 ppm
  • NO2: 7.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.07 µg/m³
  • PM10: 12.5 µg/m³
  • O3: 0.014 ppm
  • NO2: 7.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 7.5 µg/m³
  • PM10: 13.05 µg/m³
  • O3: 0.013 ppm
  • NO2: 7.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.20 ppm

Health Recommendations:

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