What is the air quality in Knoxville today?

The current Air Quality Index (AQI) in Knoxville is 15 (Good). PM2.5 concentration is 3.49 µg/m³.

What is the temperature in Knoxville right now?

The current temperature in Knoxville is 18.3°C (feels like 18.3°C). Humidity is 35.2% and wind speed is 23.7 km/h.

Is it safe to go outside in Knoxville?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Knoxville, United States

Clear

18.3°C · 35.2% humidity

18.3°

Feels 18.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

5 stations

Nearby Monitoring Stations

AQI Forecast

13 1pm

15 4pm

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Station readings

Air Quality Index Trend

44h · 2 stn

View full history →

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.

35.2%

Humidity

23.7 km/h

Wind SSW

1017.0 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.49 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Knoxville?

Temperature & Precipitation

PM2.5 Trend

44h · 2 stations

PM2.53.49 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (5 stations within 25 km)

3.49

Median

3.32

Average

2.4

Low

4.1

High

PM2.5 µg/m³ · Model: 6.5 · Bias: +3.0

What is the 7-day forecast for Knoxville?

10-20

18.3° 4.3°

0.38 mm

10-21

23.0° 9.6°

10-22

22.8° 12.2°

10-23

17.1° 6.9°

25.37 mm

10-24

20.7° 11.9°

10-25

17.9° 5.4°

10-26

21.9° 9.5°

0.56 mm

Both models agree Avg diff: 3.5°C

Where are air quality stations near Knoxville?

Air Lab, Tennessee, USA

2.4 km PM2.5: 2.9 µg/m³

Air Lab, Tennessee, USA

2.4 km PM2.5: 4.8 µg/m³

Air Lab, Tennessee, USA

2.4 km PM2.5: 2.2 µg/m³

Maryvill, Tennessee, USA

21.5 km PM2.5: 3.4 µg/m³

Maryvill, Tennessee, USA

21.5 km PM2.5: 2.4 µg/m³

Maryvill, Tennessee, USA

21.5 km PM2.5: 1.7 µg/m³

What cities are near Knoxville?

19 Farragut 13 Maryville 25 Oak Ridge 25 Sevierville 30 Morristown 21 Greeneville 27 Cleveland 24 Asheville 18 Kingsport 20 Cookeville

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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 2026-10-20T20:05 UTC.