Hourly Weather | Today Wednesday, March 18, 2026
Kingsport, Tennessee
6 AM
Cloudy Night
27°
Feels Like 28°
1
Humidity: 60%
UV Index: 0
Wind: 4 mph
7 AM
Cloudy Night
27°
Feels Like 28°
1
Humidity: 54%
UV Index: 0
Wind: 4 mph
8 AM
Cloudy Weather
21°
Feels Like 23°
1
Frost Risk: 98%
Humidity: 71%
UV Index: 0
Wind: 4 mph
9 AM
Cloudy Weather
23°
Feels Like 27°
1
Frost Risk: 76%
Humidity: 67%
UV Index: 1
Wind: 4 mph
10 AM
Cloudy Weather
28°
Feels Like 32°
1
Humidity: 53%
UV Index: 1
Wind: 4 mph
11 AM
Cloudy Weather
34°
Feels Like 37°
1
Humidity: 43%
UV Index: 2
Wind: 4 mph
12 PM
Cloudy Weather
39°
Feels Like 41°
1
Humidity: 36%
UV Index: 2
Wind: 6 mph
1 PM
Cloudy Weather
41°
Feels Like 43°
3
Humidity: 32%
UV Index: 3
Wind: 7 mph
2 PM
Cloudy Weather
43°
Feels Like 43°
7
Humidity: 31%
UV Index: 2
Wind: 8 mph
3 PM
Cloudy Weather
45°
Feels Like 43°
7
Humidity: 32%
UV Index: 2
Wind: 8 mph
4 PM
Cloudy Weather
46°
Feels Like 43°
7
Humidity: 35%
UV Index: 1
Wind: 8 mph
5 PM
Cloudy Weather
46°
Feels Like 43°
7
Humidity: 40%
UV Index: 1
Wind: 8 mph
6 PM
Cloudy Weather
45°
Feels Like 43°
7
Humidity: 43%
UV Index: 0
Wind: 7 mph
7 PM
Cloudy Weather
43°
Feels Like 43°
5
Humidity: 49%
UV Index: 0
Wind: 4 mph
8 PM
Cloudy Weather
41°
Feels Like 41°
1
Humidity: 56%
UV Index: 0
Wind: 4 mph
9 PM
Cloudy Weather
39°
Feels Like 39°
1
Humidity: 62%
UV Index: 0
Wind: 4 mph
10 PM
Cloudy Weather
36°
Feels Like 36°
1
Humidity: 69%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Night
34°
Feels Like 32°
1
Humidity: 76%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 AM
53 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.86 µg/m³
  • PM10: 2.32 µg/m³
  • O3: 0.055 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 AM
57 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.64 µg/m³
  • PM10: 2.07 µg/m³
  • O3: 0.056 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.

8 AM
57 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.56 µg/m³
  • PM10: 2.01 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.2 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.

9 AM
53 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.62 µg/m³
  • PM10: 2.13 µg/m³
  • O3: 0.055 ppm
  • NO2: 1.7 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.

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

Pollutant Concentrations:

  • PM2.5: 1.72 µg/m³
  • PM10: 2.28 µg/m³
  • O3: 0.054 ppm
  • NO2: 1.8 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 AM
50 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.85 µg/m³
  • PM10: 2.44 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.

12 PM
62 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.63 µg/m³
  • PM10: 2.08 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.8 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.

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

Pollutant Concentrations:

  • PM2.5: 1.59 µg/m³
  • PM10: 1.98 µg/m³
  • O3: 0.059 ppm
  • NO2: 0.6 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.

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

Pollutant Concentrations:

  • PM2.5: 1.65 µg/m³
  • PM10: 2.03 µg/m³
  • O3: 0.059 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 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.

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

Pollutant Concentrations:

  • PM2.5: 1.77 µg/m³
  • PM10: 2.2 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 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.

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

Pollutant Concentrations:

  • PM2.5: 1.82 µg/m³
  • PM10: 2.27 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.3 ppb
  • SO2: 0.3 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
68 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.87 µg/m³
  • PM10: 2.32 µg/m³
  • O3: 0.060 ppm
  • NO2: 0.4 ppb
  • SO2: 0.3 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.

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

Pollutant Concentrations:

  • PM2.5: 1.98 µg/m³
  • PM10: 2.53 µg/m³
  • O3: 0.058 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 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
53 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.2 µg/m³
  • PM10: 2.97 µg/m³
  • O3: 0.055 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 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
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.61 µg/m³
  • PM10: 3.64 µg/m³
  • O3: 0.052 ppm
  • NO2: 2 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.03 µg/m³
  • PM10: 4.3 µg/m³
  • O3: 0.049 ppm
  • NO2: 2.3 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.39 µg/m³
  • PM10: 4.86 µg/m³
  • O3: 0.046 ppm
  • NO2: 2.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.73 µg/m³
  • PM10: 5.42 µg/m³
  • O3: 0.044 ppm
  • NO2: 2.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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