Today | Weather | Friday, August 7, 2026

Weather in Knoxville, Tennessee

08:50 AM
Now
Cloudy Weather
73° F
Feels Like 79°
Precipitation 7 %
Wind 4 mph
UV Index (0 - 11+) 2
Humidity 90 %
Today
Sunny with a Chance of Thunderstorms
Day 86°
Night 70°
Precipitation 55 %
Wind 7 mph
UV Index (0 - 11+) 7

Knoxville Weather Forecast Updated

49 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 7, 2025)
Stormy Weather

Day

88°

Night

70°

Wind

4 mph

Precipitation

55 %

Air Quality in Knoxville

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

Pollutant Concentrations:

PM2.5 5.97 µg/m³
PM10 10.09 µg/m³
O3 0.005 ppm
NO2 2 ppb
SO2 0.2 ppb
CO 0.13 ppm
NH3 4.81 µg/m³
NO 0.46 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)
PM2.55.97 µg/m³
PM1010.09 µg/m³
O39.38 µg/m³
NO23.79 µg/m³
SO20.6 µg/m³
CO149.24 µg/m³
NH34.81 µg/m³
NO0.46 µg/m³