Air Quality in Knoxville, United States
Drizzle
11.4°C · 95.5% humidity
11.4°
Feels 11.4°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
Knoxville's air quality — share it
AQI Forecast
27
7am
27
25
28
10am
25
27
27
1pm
27
27
27
4pm
27
25
27
7pm
27
34
34
10pm
34
34
34
1am
34
34
34
4am
27
27
Air Quality Index Trend
48h · 4 stnKnoxville'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 Knoxville is 1.3× the WHO annual guideline of 5 µg/m³.
95.5%
Humidity
45.6 km/h
Wind N
1016.9 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.57 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Knoxville?
Temperature & Precipitation
PM2.5 Trend
48h · 4 stationsPM2.56.57 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX9.4
Very High
Station readings (3 stations within 25 km)
6.57
Median
8.5
Average
6.5
Low
11.3
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +3.2
What is the 7-day forecast for Knoxville?
05-29
34.2° 11.4°
34.06 mm
05-30
28.3° 19.5°
0.69 mm
05-31
33.7° 14.0°
06-01
25.0° 16.4°
4.69 mm
06-02
28.7° 15.1°
0.75 mm
06-03
27.0° 22.5°
06-04
26.8° 21.2°
9.38 mm
Both models agree
Avg diff: 3.2°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 2026-05-29T14:46 UTC.