Weather · Air Quality
Johnson City, TN
50 US AQI
Good
Air quality is satisfactory, and air pollution poses little or no risk.
Expected to peak near 73 US AQI over the next 24 hours.
PM2.5
10.3 μg/m³
Particulates
PM10
10.8 μg/m³
Particulates
O₃
104 μg/m³
Ozone
NO₂
4 μg/m³
Nitrogen Dioxide
SO₂
1 μg/m³
Sulfur Dioxide
CO
170 μg/m³
Carbon Monoxide
US AQI and pollutant concentrations from Open-Meteo. Observed Fri, Sep 4 · 10:00 AM. Scale: 0–50 Good · 51–100 Moderate · 101–150 Unhealthy for Sensitive Groups · 151–200 Unhealthy · 201–300 Very Unhealthy · 301+ Hazardous.