Air Quality in Knoxville, United States

Clear
34.7°C · 32.3% humidity
34.7°
Feels 34.7°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast Calibrated
37 10am
37
37
27 1pm
30
32
33 4pm
34
35
43 7pm
43
36
37 10pm
37
37
37 1am
37
37
37 4am
35
35
35 7am
35
35
Station readings 4h ago
AQI 40
PM2.5 9.6 µg/m³ · 4h ago
CAMS model adj +10
27
27
27
27
27
27
27
27
27
34
34
27
27
27
27
27
27
27
27
25
25
25
25
25
AD 728×90

Air Quality Index Trend

9h · 2 stn

Knoxville's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

32.3%
Humidity
20.3 km/h
Wind ESE
1010.8 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
27
6.5 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Knoxville?

Temperature & Precipitation

PM2.5 Trend

9h · 2 stations
PM2.56.5 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250

What is the 7-day forecast for Knoxville?

07-21
34.7° 20.9°
2.81 mm
07-22
29.3° 20.9°
0.75 mm
07-23
27.4° 21.5°
2.0 mm
07-24
28.7° 18.9°
0.81 mm
07-25
29.0° 18.8°
6.62 mm
07-26
32.0° 21.1°
5.75 mm
07-27
27.1° 20.6°
0.94 mm
Both models agree Avg diff: 4.0°C

Where are air quality stations near Knoxville?

63
Air Lab, Tennessee, USA
2.4 km PM2.5: 17.8 µg/m³
48
Maryvill, Tennessee, USA
21.5 km PM2.5: 11.5 µg/m³
56
Maryvill, Tennessee, USA
21.5 km PM2.5: 14.5 µg/m³

What cities are near Knoxville?

32 Farragut 25 Maryville 41 Oak Ridge 39 Sevierville 39 Morristown 39 Greeneville 31 Cleveland 55 Asheville 26 Kingsport 37 Cookeville
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:14 UTC.