Hourly Weather | Today Wednesday, December 24, 2025
Johnson City, Tennessee
3 PM
Cloudy Weather
63°
Feels Like 64°
0
Humidity: 69%
Wind: 5 mph
UV Index: 1
4 PM
Cloudy Weather
63°
Feels Like 64°
0
Humidity: 69%
Wind: 5 mph
UV Index: 1
5 PM
Cloudy Weather
61°
Feels Like 61°
0
Humidity: 75%
Wind: 5 mph
UV Index: 0
6 PM
Cloudy Night
57°
Feels Like 57°
0
Humidity: 84%
Wind: 5 mph
UV Index: 0
7 PM
Cloudy Weather
54°
Feels Like 54°
6
Humidity: 94%
Wind: 5 mph
UV Index: 0
8 PM
Cloudy Weather
52°
Feels Like 50°
6
Humidity: 100%
Wind: 5 mph
UV Index: 0
9 PM
Cloudy Weather
48°
Feels Like 46°
5
Humidity: 100%
Wind: 6 mph
UV Index: 0
10 PM
Cloudy Weather
52°
Feels Like 48°
4
Humidity: 100%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy Weather
52°
Feels Like 48°
4
Humidity: 100%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 2.76 µg/m³
  • PM10: 3.18 µg/m³
  • O3: 0.028 ppm
  • NO2: 1.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.73 µg/m³
  • PM10: 3.19 µg/m³
  • O3: 0.027 ppm
  • NO2: 2.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.84 µg/m³
  • PM10: 3.45 µg/m³
  • O3: 0.024 ppm
  • NO2: 3.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.17 µg/m³
  • PM10: 4.03 µg/m³
  • O3: 0.019 ppm
  • NO2: 5.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.55 µg/m³
  • PM10: 4.71 µg/m³
  • O3: 0.015 ppm
  • NO2: 7.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.96 µg/m³
  • PM10: 5.41 µg/m³
  • O3: 0.013 ppm
  • NO2: 7.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.37 µg/m³
  • PM10: 6.05 µg/m³
  • O3: 0.011 ppm
  • NO2: 7.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.69 µg/m³
  • PM10: 6.47 µg/m³
  • O3: 0.010 ppm
  • NO2: 7.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.78 µg/m³
  • PM10: 6.46 µg/m³
  • O3: 0.009 ppm
  • NO2: 7.1 ppb
  • SO2: 0 ppb
  • CO: 0.23 ppm

Health Recommendations:

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