Hourly Weather | Today Wednesday, March 18, 2026
Franklin, Tennessee
4 AM
Cloudy Night
30°
Feels Like 25°
7
Humidity: 57%
UV Index: 0
Wind: 7 mph
5 AM
Cloudy Night
32°
Feels Like 25°
7
Humidity: 52%
UV Index: 0
Wind: 8 mph
6 AM
Cloudy Night
34°
Feels Like 27°
7
Humidity: 47%
UV Index: 0
Wind: 9 mph
7 AM
Cloudy Weather
36°
Feels Like 27°
11
Humidity: 45%
UV Index: 0
Wind: 9 mph
8 AM
Cloudy Weather
32°
Feels Like 19°
17
Humidity: 54%
UV Index: 0
Wind: 14 mph
9 AM
Cloudy Weather
36°
Feels Like 25°
17
Humidity: 45%
UV Index: 1
Wind: 15 mph
10 AM
Cloudy Weather
39°
Feels Like 28°
22
Humidity: 43%
UV Index: 1
Wind: 16 mph
11 AM
Cloudy Weather
43°
Feels Like 34°
38
Humidity: 41%
UV Index: 1
Wind: 17 mph
12 PM
Rainy Weather
46°
Feels Like 36°
42
Humidity: 38%
UV Index: 1
Wind: 18 mph
1 PM
Cloudy Weather
50°
Feels Like 43°
38
Humidity: 37%
UV Index: 2
Wind: 18 mph
2 PM
Cloudy Weather
54°
Feels Like 46°
0
Humidity: 36%
UV Index: 2
Wind: 15 mph
3 PM
Cloudy Weather
55°
Feels Like 50°
0
Humidity: 36%
UV Index: 2
Wind: 16 mph
4 PM
Cloudy Weather
55°
Feels Like 52°
0
Humidity: 36%
UV Index: 2
Wind: 15 mph
5 PM
Cloudy Weather
55°
Feels Like 50°
0
Humidity: 39%
UV Index: 1
Wind: 14 mph
6 PM
Cloudy Weather
54°
Feels Like 48°
0
Humidity: 42%
UV Index: 1
Wind: 10 mph
7 PM
Cloudy Weather
52°
Feels Like 46°
0
Humidity: 49%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Night
48°
Feels Like 43°
0
Humidity: 54%
UV Index: 0
Wind: 8 mph
9 PM
Cloudy Night
45°
Feels Like 41°
0
Humidity: 59%
UV Index: 0
Wind: 8 mph
10 PM
Cloudy Night
43°
Feels Like 37°
0
Humidity: 64%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Night
43°
Feels Like 37°
0
Humidity: 66%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 AM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.33 µg/m³
  • PM10: 11.65 µg/m³
  • O3: 0.028 ppm
  • NO2: 3.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

5 AM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.52 µg/m³
  • PM10: 9.72 µg/m³
  • O3: 0.037 ppm
  • NO2: 2.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

6 AM
38 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.64 µg/m³
  • PM10: 9.12 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

7 AM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.72 µg/m³
  • PM10: 8.71 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.4 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

8 AM
43 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.81 µg/m³
  • PM10: 8.36 µg/m³
  • O3: 0.047 ppm
  • NO2: 1.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

9 AM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.92 µg/m³
  • PM10: 8.31 µg/m³
  • O3: 0.048 ppm
  • NO2: 2 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

10 AM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.97 µg/m³
  • PM10: 8.08 µg/m³
  • O3: 0.048 ppm
  • NO2: 2.3 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

11 AM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.69 µg/m³
  • PM10: 7.05 µg/m³
  • O3: 0.052 ppm
  • NO2: 2 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

12 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.63 µg/m³
  • PM10: 6.66 µg/m³
  • O3: 0.053 ppm
  • NO2: 1.7 ppb
  • SO2: 0.7 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

1 PM
51 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.86 µg/m³
  • PM10: 6.81 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

2 PM
64 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.66 µg/m³
  • PM10: 6.18 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 PM
71 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.57 µg/m³
  • PM10: 4.72 µg/m³
  • O3: 0.061 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

4 PM
72 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.26 µg/m³
  • PM10: 4.34 µg/m³
  • O3: 0.061 ppm
  • NO2: 0.4 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

5 PM
72 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.42 µg/m³
  • PM10: 4.72 µg/m³
  • O3: 0.061 ppm
  • NO2: 0.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

6 PM
65 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.66 µg/m³
  • PM10: 5.28 µg/m³
  • O3: 0.059 ppm
  • NO2: 0.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

7 PM
57 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.79 µg/m³
  • PM10: 5.71 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.3 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

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

Pollutant Concentrations:

  • PM2.5: 3.79 µg/m³
  • PM10: 5.93 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.5 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
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.75 µg/m³
  • PM10: 6.08 µg/m³
  • O3: 0.052 ppm
  • NO2: 1.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.67 µg/m³
  • PM10: 6.14 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.52 µg/m³
  • PM10: 6.11 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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