Today | Weather | Tuesday, July 7, 2026

Weather in Chattanooga, Tennessee

07:38 AM
Now
Cloudy Weather
77° F
Feels Like 84°
Precipitation 7 %
Wind 4 mph
UV Index (0 - 11+) 1
Humidity 85 %
Today
Stormy Weather
Day 91°
Night 72°
Precipitation 55 %
Wind 6 mph
UV Index (0 - 11+) 5

Chattanooga Weather Forecast Updated

50 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (July 7, 2025)
Sunny with a Chance of Thunderstorms

Day

93°

Night

72°

Wind

4 mph

UV Index

11

Precipitation

43 %

Air Quality in Chattanooga

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

Pollutant Concentrations:

PM2.5 4.52 µg/m³
PM10 7.18 µg/m³
O3 0.007 ppm
NO2 1.4 ppb
SO2 0.1 ppb
CO 0.11 ppm
NH3 3.82 µg/m³
NO 0.19 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)
PM2.54.52 µg/m³
PM107.18 µg/m³
O313.76 µg/m³
NO22.64 µg/m³
SO20.29 µg/m³
CO122.87 µg/m³
NH33.82 µg/m³
NO0.19 µg/m³