Today | Weather | Sunday, November 23, 2025

Weather in Knoxville, Tennessee

01:43 PM
Now
Cloudy Weather
64° F
Feels Like 68°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 2
Humidity 46 %
Today
Cloudy Weather
Day 64°
Night 41°
Precipitation 1 %
Wind 4 mph
UV Index (0 - 11+) 3

Knoxville Weather Forecast Updated

34 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 23, 2024)
Cloudy Night

Day

50°

Night

36°

Wind

2 mph

Precipitation

1 %

Air Quality in Knoxville

NOW
33 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.25 µg/m³
PM10 5.85 µg/m³
O3 0.035 ppm
NO2 0.5 ppb
SO2 0.2 ppb
CO 0.13 ppm
NH3 1.6 µg/m³
NO 0.26 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)
PM2.55.25 µg/m³
PM105.85 µg/m³
O368.99 µg/m³
NO21.02 µg/m³
SO20.44 µg/m³
CO149.73 µg/m³
NH31.6 µg/m³
NO0.26 µg/m³