Weather · Air Quality
Johnson City, TN
48 US AQI
Good
Air quality is satisfactory, and air pollution poses little or no risk.
Expected to peak near 51 US AQI over the next 24 hours.
PM2.5
8.2 μg/m³
Particulates
PM10
8.6 μg/m³
Particulates
O₃
28 μg/m³
Ozone
NO₂
12.1 μg/m³
Nitrogen Dioxide
SO₂
0.3 μg/m³
Sulfur Dioxide
CO
139 μg/m³
Carbon Monoxide
US AQI and pollutant concentrations from Open-Meteo. Observed Tue, Jul 21 · 3:00 AM. Scale: 0–50 Good · 51–100 Moderate · 101–150 Unhealthy for Sensitive Groups · 151–200 Unhealthy · 201–300 Very Unhealthy · 301+ Hazardous.