Hourly Weather | Today Wednesday, March 18, 2026
Clarksville, Tennessee
12 PM
Cloudy Weather
48°
Feels Like 41°
49
Humidity: 38%
UV Index: 2
Wind: 18 mph
1 PM
Rainy Weather
52°
Feels Like 43°
56
Humidity: 36%
UV Index: 2
Wind: 20 mph
2 PM
Cloudy Weather
55°
Feels Like 52°
4
Humidity: 34%
UV Index: 3
Wind: 16 mph
3 PM
Cloudy Weather
57°
Feels Like 54°
1
Humidity: 33%
UV Index: 3
Wind: 15 mph
4 PM
Cloudy Weather
59°
Feels Like 55°
1
Humidity: 32%
UV Index: 2
Wind: 14 mph
5 PM
Cloudy Weather
57°
Feels Like 55°
1
Humidity: 35%
UV Index: 2
Wind: 12 mph
6 PM
Cloudy Weather
55°
Feels Like 54°
1
Humidity: 39%
UV Index: 1
Wind: 9 mph
7 PM
Cloudy Night
54°
Feels Like 50°
1
Humidity: 46%
UV Index: 0
Wind: 7 mph
8 PM
Cloudy Night
54°
Feels Like 50°
0
Humidity: 47%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Night
50°
Feels Like 46°
0
Humidity: 52%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
46°
Feels Like 45°
0
Humidity: 57%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
46°
Feels Like 45°
0
Humidity: 59%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.84 µg/m³
  • PM10: 4.94 µg/m³
  • O3: 0.052 ppm
  • NO2: 1.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.42 µg/m³
  • PM10: 4.47 µg/m³
  • O3: 0.053 ppm
  • NO2: 1.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.31 µg/m³
  • PM10: 4.26 µg/m³
  • O3: 0.056 ppm
  • NO2: 1 ppb
  • SO2: 0.5 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
61 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.43 µg/m³
  • PM10: 4.34 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.8 ppb
  • SO2: 0.5 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
63 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.63 µg/m³
  • PM10: 4.59 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.6 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.

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

Pollutant Concentrations:

  • PM2.5: 3.95 µg/m³
  • PM10: 4.99 µg/m³
  • O3: 0.059 ppm
  • NO2: 0.7 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
58 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.19 µg/m³
  • PM10: 5.3 µg/m³
  • O3: 0.057 ppm
  • NO2: 1 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
52 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.31 µg/m³
  • PM10: 5.49 µg/m³
  • O3: 0.055 ppm
  • NO2: 1.4 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
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.36 µg/m³
  • PM10: 5.63 µg/m³
  • O3: 0.053 ppm
  • NO2: 1.6 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
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.43 µg/m³
  • PM10: 5.8 µg/m³
  • O3: 0.052 ppm
  • NO2: 1.7 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: 4.43 µg/m³
  • PM10: 5.87 µg/m³
  • O3: 0.051 ppm
  • NO2: 1.7 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
46 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.27 µg/m³
  • PM10: 5.73 µg/m³
  • O3: 0.050 ppm
  • NO2: 1.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.14 ppm

Health Recommendations:

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