Humidity: 50%
Wind: 6 mph
UV Index: 0
Humidity: 54%
Wind: 6 mph
UV Index: 0
Humidity: 58%
Wind: 6 mph
UV Index: 0
Humidity: 63%
Wind: 6 mph
UV Index: 0
Humidity: 64%
Wind: 6 mph
UV Index: 0
Hourly Air Quality Forecast - AQI (US EPA)
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
4.39 µg/m³
- PM10:
5.37 µg/m³
- O3:
0.036 ppm
- NO2:
3.7 ppb
- SO2:
0.5 ppb
- CO:
0.16 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
5.07 µg/m³
- PM10:
6.2 µg/m³
- O3:
0.033 ppm
- NO2:
4 ppb
- SO2:
0.5 ppb
- CO:
0.17 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
5.64 µg/m³
- PM10:
6.88 µg/m³
- O3:
0.032 ppm
- NO2:
3.9 ppb
- SO2:
0.5 ppb
- CO:
0.17 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
6.07 µg/m³
- PM10:
7.37 µg/m³
- O3:
0.032 ppm
- NO2:
3.5 ppb
- SO2:
0.5 ppb
- CO:
0.17 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Good air quality
Dominant pollutant:
O3
Details
Pollutant Concentrations:
- PM2.5:
6.22 µg/m³
- PM10:
7.53 µg/m³
- O3:
0.034 ppm
- NO2:
2.9 ppb
- SO2:
0.6 ppb
- CO:
0.16 ppm
Health Recommendations:
Air quality is considered satisfactory, and air pollution poses little or no risk.
Weather Alerts and Warnings for Johnson City
Moderate
Expected
Observed
Special Weather Statement
Special Weather Statement issued January 13 at 1:54PM EST by NWS Morristown TN
Jan 13, 1:54 PM
→ Jan 14, 4:00 AM
A cold front will move across east Tennessee, southwest Virginia,
and southwest North Carolina late Wednesday afternoon and evening
bring with it widespread precipitation and colder temperatures. A
band of rain will move into the region then mix with and change
over to snow by early evening.
A brief period of accumulating snow is possible across the
Plateau, southwest Virginia, northeast Tennessee, and central
valley. Snowfall of 1/2 inch is possible mainly on grassy and
elevated surfaces, and up to 1 inch across the higher ridges.
Snow covered roadways are possible across the higher terrain
Wednesday evening. Stay tuned to NOAA Weather Radio and other
local media for further details or updates.