Hourly Weather | Today Saturday, August 29, 2026
Knoxville, Tennessee
8 AM
Foggy Weather
70°
Feels Like 72°
0
Humidity: 88%
UV Index: 2
Wind: 5 mph
9 AM
Foggy Weather
72°
Feels Like 75°
0
Humidity: 85%
UV Index: 3
Wind: 5 mph
10 AM
Foggy Weather
75°
Feels Like 84°
0
Humidity: 75%
UV Index: 4
Wind: 4 mph
11 AM
Foggy Weather
81°
Feels Like 90°
0
Humidity: 67%
UV Index: 5
Wind: 5 mph
12 PM
Foggy Weather
82°
Feels Like 97°
0
Humidity: 60%
UV Index: 8
Wind: 4 mph
1 PM
Foggy Weather
86°
Feels Like 100°
0
Humidity: 53%
UV Index: 8
Wind: 4 mph
2 PM
Cloudy Weather
90°
Feels Like 100°
1
Humidity: 49%
UV Index: 8
Wind: 4 mph
3 PM
Cloudy Weather
90°
Feels Like 100°
1
Humidity: 46%
UV Index: 5
Wind: 4 mph
4 PM
Cloudy Weather
91°
Feels Like 99°
1
Humidity: 44%
UV Index: 4
Wind: 5 mph
5 PM
Cloudy Weather
90°
Feels Like 95°
1
Humidity: 46%
UV Index: 3
Wind: 5 mph
6 PM
Cloudy Weather
88°
Feels Like 91°
1
Humidity: 49%
UV Index: 2
Wind: 6 mph
7 PM
Cloudy Weather
84°
Feels Like 88°
1
Humidity: 56%
UV Index: 0
Wind: 6 mph
8 PM
Cloudy Weather
82°
Feels Like 84°
0
Humidity: 64%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Night
81°
Feels Like 82°
0
Humidity: 72%
UV Index: 0
Wind: 5 mph
10 PM
Cloudy Night
77°
Feels Like 81°
0
Humidity: 78%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
75°
Feels Like 79°
0
Humidity: 81%
UV Index: 0
Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 6.71 µg/m³
  • PM10: 17.21 µg/m³
  • O3: 0.003 ppm
  • NO2: 2.7 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 6.39 µg/m³
  • PM10: 16.59 µg/m³
  • O3: 0.003 ppm
  • NO2: 1.6 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
25 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.91 µg/m³
  • PM10: 15.32 µg/m³
  • O3: 0.006 ppm
  • NO2: 1.3 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
24 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.66 µg/m³
  • PM10: 14.36 µg/m³
  • O3: 0.012 ppm
  • NO2: 1.4 ppb
  • SO2: 0 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.79 µg/m³
  • PM10: 9.42 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.8 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.82 µg/m³
  • PM10: 8.38 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

2 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.56 µg/m³
  • PM10: 7.9 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.29 µg/m³
  • PM10: 7.5 µg/m³
  • O3: 0.029 ppm
  • NO2: 1 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 5.07 µg/m³
  • PM10: 7 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.9 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.87 µg/m³
  • PM10: 6.48 µg/m³
  • O3: 0.033 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.75 µg/m³
  • PM10: 6.44 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.8 ppb
  • SO2: 0.2 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.63 µg/m³
  • PM10: 6.96 µg/m³
  • O3: 0.025 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.38 µg/m³
  • PM10: 7.34 µg/m³
  • O3: 0.020 ppm
  • NO2: 1.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 4.03 µg/m³
  • PM10: 7.4 µg/m³
  • O3: 0.016 ppm
  • NO2: 1.5 ppb
  • SO2: 0.1 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.68 µg/m³
  • PM10: 7.14 µg/m³
  • O3: 0.014 ppm
  • NO2: 1.4 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 3.35 µg/m³
  • PM10: 6.75 µg/m³
  • O3: 0.014 ppm
  • NO2: 1.4 ppb
  • SO2: 0 ppb
  • CO: 0.12 ppm

Health Recommendations:

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