Today | Weather | Tuesday, February 24, 2026

Weather in Chattanooga, Tennessee

04:49 PM
Now
Cloudy Weather
50° F
Feels Like 46°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 0
Humidity 30 %
Today
Cloudy Weather
Day 52°
Night 39°
Precipitation 0 %
Wind 4 mph
UV Index (0 - 11+) 4
Overnight Frost 7 AM – 9 AM

Chattanooga Weather Forecast Updated

46 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 24, 2025)
Sunny Weather

Day

63°

Night

32°

Wind

4 mph

UV Index

4

Precipitation

0 %

Air Quality in Chattanooga

NOW
47 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.69 µg/m³
PM10 7.79 µg/m³
O3 0.050 ppm
NO2 1.6 ppb
SO2 1.5 ppb
CO 0.14 ppm
NH3 1.2 µg/m³
NO 0.47 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)
PM2.55.69 µg/m³
PM107.79 µg/m³
O398.76 µg/m³
NO23.09 µg/m³
SO23.97 µg/m³
CO160.24 µg/m³
NH31.2 µg/m³
NO0.47 µg/m³