Today | Weather | Tuesday, October 13, 2026

Weather in Johnson City, Tennessee

08:03 PM
Now
Night
72° F
Feels Like 70°
Precipitation 0 %
Wind 5 mph
Humidity 64 %
Today
Night
Day 82°
Night 55°
Precipitation 0 %
Wind 5 mph

Johnson City Weather Forecast Updated

40 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 13, 2025)
Night

Day

73°

Night

48°

Wind

5 mph

Precipitation

1 %

Air Quality in Johnson City

NOW
36 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 8.58 µg/m³
PM10 10.61 µg/m³
O3 0.032 ppm
NO2 4.4 ppb
SO2 0.2 ppb
CO 0.14 ppm
NH3 2.85 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

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

Show raw pollutant concentrations (µg/m³)
PM2.5 – 8.58 µg/m³
PM10 – 10.61 µg/m³
O3 – 62.21 µg/m³
NO2 – 8.23 µg/m³
SO2 – 0.57 µg/m³
CO – 164.77 µg/m³
NH3 – 2.85 µg/m³
NO – 0 µg/m³