Hourly Weather | Today Thursday, February 26, 2026
Johnson City, Tennessee
2 AM
Rainy Weather
46°
Feels Like 41°
82
Humidity: 93%
UV Index: 0
Wind: 6 mph
3 AM
Rainy Weather
45°
Feels Like 39°
84
Humidity: 96%
UV Index: 0
Wind: 6 mph
4 AM
Rainy Weather
45°
Feels Like 39°
79
Humidity: 98%
UV Index: 0
Wind: 6 mph
5 AM
Rainy Weather
45°
Feels Like 37°
79
Humidity: 99%
UV Index: 0
Wind: 6 mph
6 AM
Rainy Weather
45°
Feels Like 37°
79
Humidity: 100%
UV Index: 0
Wind: 7 mph
7 AM
Cloudy Weather
45°
Feels Like 32°
49
Humidity: 97%
UV Index: 0
Wind: 20 mph
8 AM
Rainy Weather
45°
Feels Like 30°
66
Humidity: 97%
UV Index: 0
Wind: 20 mph
9 AM
Rainy Weather
46°
Feels Like 34°
66
Humidity: 93%
UV Index: 1
Wind: 18 mph
10 AM
Rainy Weather
48°
Feels Like 36°
63
Humidity: 89%
UV Index: 1
Wind: 18 mph
11 AM
Rainy Weather
50°
Feels Like 37°
63
Humidity: 87%
UV Index: 1
Wind: 20 mph
12 PM
Cloudy Weather
52°
Feels Like 43°
49
Humidity: 84%
UV Index: 1
Wind: 21 mph
1 PM
Rainy Weather
54°
Feels Like 43°
70
Humidity: 80%
UV Index: 1
Wind: 21 mph
2 PM
Rainy Weather
55°
Feels Like 45°
70
Humidity: 76%
UV Index: 1
Wind: 20 mph
3 PM
Rainy Weather
54°
Feels Like 43°
70
Humidity: 76%
UV Index: 1
Wind: 20 mph
4 PM
Rainy Weather
54°
Feels Like 43°
56
Humidity: 75%
UV Index: 0
Wind: 18 mph
5 PM
Cloudy Weather
52°
Feels Like 43°
49
Humidity: 76%
UV Index: 0
Wind: 18 mph
6 PM
Cloudy Weather
52°
Feels Like 43°
33
Humidity: 79%
UV Index: 0
Wind: 17 mph
7 PM
Cloudy Weather
50°
Feels Like 48°
3
Humidity: 79%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Weather
48°
Feels Like 46°
3
Humidity: 83%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Weather
46°
Feels Like 45°
3
Humidity: 86%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Weather
46°
Feels Like 45°
3
Humidity: 87%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Weather
45°
Feels Like 45°
3
Humidity: 87%
UV Index: 0
Wind: 6 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 5.1 µg/m³
  • PM10: 6.87 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.92 µg/m³
  • PM10: 6.71 µg/m³
  • O3: 0.028 ppm
  • NO2: 2.3 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.77 µg/m³
  • PM10: 6.56 µg/m³
  • O3: 0.029 ppm
  • NO2: 2 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.61 µg/m³
  • PM10: 6.28 µg/m³
  • O3: 0.029 ppm
  • NO2: 1.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.43 µg/m³
  • PM10: 5.89 µg/m³
  • O3: 0.030 ppm
  • NO2: 1.9 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
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.33 µg/m³
  • PM10: 5.67 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.2 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
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.23 µg/m³
  • PM10: 5.43 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.1 µg/m³
  • PM10: 5.16 µg/m³
  • O3: 0.030 ppm
  • NO2: 3.2 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.88 µg/m³
  • PM10: 4.82 µg/m³
  • O3: 0.030 ppm
  • NO2: 3.1 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.52 µg/m³
  • PM10: 4.35 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.22 µg/m³
  • PM10: 3.95 µg/m³
  • O3: 0.029 ppm
  • NO2: 2.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.88 µg/m³
  • PM10: 3.46 µg/m³
  • O3: 0.030 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.

2 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 1.71 µg/m³
  • PM10: 2 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.29 µg/m³
  • PM10: 1.53 µg/m³
  • O3: 0.039 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.14 µg/m³
  • PM10: 1.38 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.28 µg/m³
  • PM10: 1.68 µg/m³
  • O3: 0.034 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.

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

Pollutant Concentrations:

  • PM2.5: 1.59 µg/m³
  • PM10: 2.3 µg/m³
  • O3: 0.028 ppm
  • NO2: 4 ppb
  • SO2: 0.1 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.94 µg/m³
  • PM10: 3.02 µg/m³
  • O3: 0.024 ppm
  • NO2: 5.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 2.43 µg/m³
  • PM10: 3.93 µg/m³
  • O3: 0.022 ppm
  • NO2: 6 ppb
  • SO2: 0.1 ppb
  • CO: 0.20 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: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.16 µg/m³
  • PM10: 5.07 µg/m³
  • O3: 0.019 ppm
  • NO2: 6.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.98 µg/m³
  • PM10: 6.12 µg/m³
  • O3: 0.018 ppm
  • NO2: 6.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.43 µg/m³
  • PM10: 6.41 µg/m³
  • O3: 0.016 ppm
  • NO2: 6.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.21 ppm

Health Recommendations:

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