Hourly Weather | Today Monday, September 21, 2026
Nashville, Tennessee
3 PM
Cloudy Weather
97°
Feels Like 102°
19
Humidity: 37%
UV Index: 4
Wind: 7 mph
4 PM
Cloudy Weather
93°
Feels Like 99°
24
Humidity: 41%
UV Index: 3
Wind: 7 mph
5 PM
Sunny with a Chance of Thunderstorms
91°
Feels Like 91°
51
Humidity: 49%
UV Index: 2
Wind: 8 mph
6 PM
Cloudy Weather
88°
Feels Like 91°
47
Humidity: 56%
UV Index: 1
Wind: 8 mph
7 PM
Cloudy Night
84°
Feels Like 88°
47
Humidity: 66%
UV Index: 0
Wind: 8 mph
8 PM
Stormy Weather
82°
Feels Like 82°
52
Humidity: 76%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
79°
Feels Like 82°
48
Humidity: 75%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Night
77°
Feels Like 81°
41
Humidity: 82%
UV Index: 0
Wind: 7 mph
11 PM
Cloudy Night
75°
Feels Like 81°
34
Humidity: 82%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 6.69 µg/m³
  • PM10: 8.15 µg/m³
  • O3: 0.049 ppm
  • NO2: 0.5 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
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.36 µg/m³
  • PM10: 7.77 µg/m³
  • O3: 0.048 ppm
  • NO2: 0.6 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
42 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.34 µg/m³
  • PM10: 7.71 µg/m³
  • O3: 0.045 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.

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

Pollutant Concentrations:

  • PM2.5: 6.49 µg/m³
  • PM10: 7.84 µg/m³
  • O3: 0.041 ppm
  • NO2: 1.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.62 µg/m³
  • PM10: 7.88 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.54 µg/m³
  • PM10: 7.79 µg/m³
  • O3: 0.032 ppm
  • NO2: 2 ppb
  • SO2: 0.3 ppb
  • CO: 0.13 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: 8 µg/m³
  • O3: 0.026 ppm
  • NO2: 2.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.64 µg/m³
  • PM10: 8.22 µg/m³
  • O3: 0.021 ppm
  • NO2: 2.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.64 µg/m³
  • PM10: 8.42 µg/m³
  • O3: 0.017 ppm
  • NO2: 2.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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