Today | Weather | Wednesday, December 24, 2025

Weather in Chattanooga, Tennessee

01:06 PM
Now
Cloudy Weather
70° F
Feels Like 70°
Precipitation 1 %
Wind 7 mph
UV Index (0 - 11+) 1
Humidity 68 %
Today
Cloudy Weather
Day 73°
Night 54°
Precipitation 25 %
Wind 5 mph
UV Index (0 - 11+) 1

Chattanooga Weather Forecast Updated

36 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 24, 2024)
Cloudy Weather

Day

55°

Night

30°

Wind

2 mph

UV Index

3

Precipitation

1 %

Air Quality in Chattanooga

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

Pollutant Concentrations:

PM2.5 12.04 µg/m³
PM10 18.75 µg/m³
O3 0.026 ppm
NO2 2.2 ppb
SO2 0.3 ppb
CO 0.16 ppm
NH3 2.06 µg/m³
NO 1 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)
PM2.512.04 µg/m³
PM1018.75 µg/m³
O350.42 µg/m³
NO24.09 µg/m³
SO20.66 µg/m³
CO185.1 µg/m³
NH32.06 µg/m³
NO1 µg/m³