Air Quality in Chattanooga, United States
Rain
24.6°C · 88.2% humidity
24.6°
Feels 24.6°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Chattanooga's air quality — share it
AQI Forecast
34
4pm
34
34
23
7pm
26
28
30
10pm
31
32
33
1am
33
26
26
4am
27
34
34
7am
34
34
27
10am
27
27
27
1pm
27
27
Chattanooga's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
88.2%
Humidity
34.8 km/h
Wind NW
1015.1 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.55 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Chattanooga?
Temperature & Precipitation
PM2.55.55 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
What is the 7-day forecast for Chattanooga?
08-03
27.5° 20.2°
6.62 mm
08-04
31.4° 19.2°
5.0 mm
08-05
30.2° 14.4°
5.25 mm
08-06
28.7° 19.3°
18.94 mm
08-07
32.3° 19.7°
3.25 mm
08-08
32.5° 21.0°
13.19 mm
08-09
32.0° 19.8°
1.81 mm
Both models agree
Avg diff: 2.5°C
What cities are near Chattanooga?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:56 UTC.