Today | Weather | Wednesday, December 24, 2025

Weather in Chattanooga, Tennessee

11:21 AM
Now
Rainy Weather
66° F
Feels Like 64°
Precipitation 40 %
Wind 7 mph
UV Index (0 - 11+) 1
Humidity 75 %
Today
Cloudy Weather
Day 73°
Night 54°
Precipitation 40 %
Wind 5 mph
UV Index (0 - 11+) 1

Chattanooga Weather Forecast Updated

41 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
51 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 12.3 µg/m³
PM10 19.68 µg/m³
O3 0.022 ppm
NO2 2.6 ppb
SO2 0.2 ppb
CO 0.17 ppm
NH3 1.49 µg/m³
NO 1.09 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.512.3 µg/m³
PM1019.68 µg/m³
O343.67 µg/m³
NO24.93 µg/m³
SO20.6 µg/m³
CO193.66 µg/m³
NH31.49 µg/m³
NO1.09 µg/m³