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Today Hourly 7 days 30 days Air Quality
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Hourly Weather | Today › Tuesday, June 30, 2026
Active Weather Warnings
Knoxville, Tennessee
1 AM
Cloudy Night
79°
Feels Like 88°
0
Humidity: 83%
UV Index: 0
Wind: 2 mph
2 AM
Cloudy Night
79°
Feels Like 88°
0
Humidity: 86%
UV Index: 0
Wind: 2 mph
3 AM
Cloudy Night
77°
Feels Like 84°
0
Humidity: 87%
UV Index: 0
Wind: 2 mph
4 AM
Cloudy Night
75°
Feels Like 84°
0
Humidity: 89%
UV Index: 0
Wind: 2 mph
5 AM
Cloudy Night
75°
Feels Like 82°
0
Humidity: 91%
UV Index: 0
Wind: 2 mph
6 AM
Cloudy Night
75°
Feels Like 82°
0
Humidity: 93%
UV Index: 0
Wind: 2 mph
7 AM
Cloudy Weather
75°
Feels Like 84°
0
Humidity: 91%
UV Index: 1
Wind: 2 mph
8 AM
Cloudy Weather
77°
Feels Like 90°
7
Humidity: 88%
UV Index: 2
Wind: 2 mph
9 AM
Cloudy Weather
81°
Feels Like 93°
7
Humidity: 80%
UV Index: 3
Wind: 2 mph
10 AM
Cloudy Weather
84°
Feels Like 100°
7
Humidity: 74%
UV Index: 5
Wind: 4 mph
11 AM
Cloudy Weather
88°
Feels Like 106°
7
Humidity: 69%
UV Index: 8
Wind: 4 mph
12 PM
Cloudy Weather
90°
Feels Like 108°
7
Humidity: 62%
UV Index: 11
Wind: 5 mph
1 PM
Cloudy Weather
93°
Feels Like 111°
7
Humidity: 56%
UV Index: 11
Wind: 5 mph
2 PM
Cloudy Weather
93°
Feels Like 111°
7
Humidity: 53%
UV Index: 11
Wind: 5 mph
3 PM
Cloudy Weather
95°
Feels Like 109°
7
Humidity: 50%
UV Index: 8
Wind: 6 mph
4 PM
Cloudy Weather
97°
Feels Like 108°
6
Humidity: 47%
UV Index: 5
Wind: 6 mph
5 PM
Cloudy Weather
95°
Feels Like 102°
5
Humidity: 50%
UV Index: 2
Wind: 7 mph
6 PM
Cloudy Weather
93°
Feels Like 100°
5
Humidity: 52%
UV Index: 1
Wind: 6 mph
7 PM
Cloudy Weather
91°
Feels Like 99°
8
Humidity: 58%
UV Index: 1
Wind: 6 mph
8 PM
Stormy Weather
88°
Feels Like 95°
51
Humidity: 66%
UV Index: 0
Wind: 5 mph
9 PM
Cloudy Night
86°
Feels Like 93°
47
Humidity: 70%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
84°
Feels Like 91°
35
Humidity: 72%
UV Index: 0
Wind: 4 mph
11 PM
Cloudy Night
81°
Feels Like 90°
19
Humidity: 76%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

1 AM
18 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.37 µg/m³
  • PM10: 12.19 µg/m³
  • O3: 0.004 ppm
  • NO2: 1.6 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 AM
18 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.38 µg/m³
  • PM10: 12.41 µg/m³
  • O3: 0.003 ppm
  • NO2: 1.4 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 AM
18 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.39 µg/m³
  • PM10: 12.77 µg/m³
  • O3: 0.003 ppm
  • NO2: 1.4 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 AM
18 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.4 µg/m³
  • PM10: 13.19 µg/m³
  • O3: 0.004 ppm
  • NO2: 1.6 ppb
  • SO2: 0 ppb
  • CO: 0.08 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 AM
18 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.41 µg/m³
  • PM10: 13.47 µg/m³
  • O3: 0.005 ppm
  • NO2: 1.8 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 AM
18 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.39 µg/m³
  • PM10: 13.49 µg/m³
  • O3: 0.005 ppm
  • NO2: 2 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 AM
18 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.38 µg/m³
  • PM10: 13.3 µg/m³
  • O3: 0.005 ppm
  • NO2: 2.3 ppb
  • SO2: 0 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 AM
18 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.38 µg/m³
  • PM10: 12.94 µg/m³
  • O3: 0.006 ppm
  • NO2: 2 ppb
  • SO2: 0 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 AM
18 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.36 µg/m³
  • PM10: 12.04 µg/m³
  • O3: 0.009 ppm
  • NO2: 1.7 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 AM
19 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.49 µg/m³
  • PM10: 11.92 µg/m³
  • O3: 0.018 ppm
  • NO2: 2.1 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 AM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.01 µg/m³
  • PM10: 12.54 µg/m³
  • O3: 0.032 ppm
  • NO2: 2.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

12 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.91 µg/m³
  • PM10: 13.62 µg/m³
  • O3: 0.048 ppm
  • NO2: 1.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM
59 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.47 µg/m³
  • PM10: 13.5 µg/m³
  • O3: 0.057 ppm
  • NO2: 1.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

2 PM
57 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.32 µg/m³
  • PM10: 11.61 µg/m³
  • O3: 0.056 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

3 PM
41 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.64 µg/m³
  • PM10: 8.86 µg/m³
  • O3: 0.044 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.97 µg/m³
  • PM10: 7.48 µg/m³
  • O3: 0.039 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.27 µg/m³
  • PM10: 6.42 µg/m³
  • O3: 0.035 ppm
  • NO2: 0.7 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
31 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.74 µg/m³
  • PM10: 5.67 µg/m³
  • O3: 0.034 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.53 µg/m³
  • PM10: 5.36 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.6 µg/m³
  • PM10: 5.3 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.1 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.77 µg/m³
  • PM10: 5.62 µg/m³
  • O3: 0.026 ppm
  • NO2: 1.4 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
17 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 3.97 µg/m³
  • PM10: 6.44 µg/m³
  • O3: 0.017 ppm
  • NO2: 1.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
17 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.09 µg/m³
  • PM10: 7.08 µg/m³
  • O3: 0.010 ppm
  • NO2: 1.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Knoxville

Moderate Expected Likely

Heat Advisory

Heat Advisory issued June 29 at 1:34PM EDT until July 2 at 9:00PM EDT by NWS Morristown TN
Jun 30, 11:00 AM → Jul 2, 9:00 PM
WHAT: Afternoon heat index values will approach or exceed 100 at
times over all but the higher elevations, and some valley
locations may see heat index values exceed 105.

WHERE: Portions of southwest North Carolina, east Tennessee, and
southwest Virginia.

WHEN: From 11 AM EDT /10 AM CDT/ Tuesday to 9 PM EDT /8 PM CDT/
Thursday.

IMPACTS: Hot temperatures and high humidity may cause heat
illnesses.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Updated: Jun 29, 11:31 PM Source: NWS Alert

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