Air Quality in Chattanooga, United States
Rain
19.2°C · 63.7% humidity
19.2°
Feels 19.2°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Chattanooga's air quality — share it
AQI Forecast
25
2pm
25
25
26
5pm
25
25
25
8pm
25
25
25
11pm
25
24
25
2am
25
25
25
5am
25
25
25
8am
27
27
27
11am
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. Current PM2.5 concentration in Chattanooga is 1.2× the WHO annual guideline of 5 µg/m³.
63.7%
Humidity
49.1 km/h
Wind NNW
1013.1 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.25 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Chattanooga?
Temperature & Precipitation
PM2.56.25 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX9.4
Very High
What is the 7-day forecast for Chattanooga?
05-28
32.8° 20.6°
1.31 mm
05-29
32.0° 13.2°
11.62 mm
05-30
26.0° 18.8°
0.5 mm
05-31
32.3° 13.1°
06-01
30.4° 16.1°
0.06 mm
06-02
30.8° 14.1°
06-03
25.3° 19.8°
Both models agree
Avg diff: 3.3°C
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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 2026-05-28T21:46 UTC.