Hourly Weather | Today Monday, January 5, 2026
Knoxville, Tennessee
10 AM
Cloudy Weather
39°
Feels Like 41°
0
Humidity: 77%
Wind: 6 mph
UV Index: 2
11 AM
Cloudy Weather
46°
Feels Like 46°
0
Humidity: 67%
Wind: 7 mph
UV Index: 3
12 PM
Cloudy Weather
54°
Feels Like 54°
0
Humidity: 56%
Wind: 9 mph
UV Index: 3
1 PM
Cloudy Weather
57°
Feels Like 57°
0
Humidity: 51%
Wind: 10 mph
UV Index: 3
2 PM
Cloudy Weather
63°
Feels Like 61°
0
Humidity: 48%
Wind: 10 mph
UV Index: 2
3 PM
Cloudy Weather
64°
Feels Like 64°
0
Humidity: 45%
Wind: 10 mph
UV Index: 2
4 PM
Cloudy Weather
63°
Feels Like 61°
0
Humidity: 49%
Wind: 9 mph
UV Index: 1
5 PM
Sunny Weather
61°
Feels Like 57°
0
Humidity: 54%
Wind: 8 mph
UV Index: 0
6 PM
Night
57°
Feels Like 55°
0
Humidity: 61%
Wind: 8 mph
UV Index: 0
7 PM
Cloudy Night
55°
Feels Like 52°
0
Humidity: 68%
Wind: 7 mph
UV Index: 0
8 PM
Cloudy Night
52°
Feels Like 48°
0
Humidity: 75%
Wind: 7 mph
UV Index: 0
9 PM
Cloudy Night
50°
Feels Like 46°
0
Humidity: 80%
Wind: 7 mph
UV Index: 0
10 PM
Cloudy Night
48°
Feels Like 46°
0
Humidity: 83%
Wind: 7 mph
UV Index: 0
11 PM
Cloudy Night
48°
Feels Like 45°
0
Humidity: 86%
Wind: 6 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

10 AM
96 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 33.65 µg/m³
  • PM10: 37.86 µg/m³
  • O3: 0.019 ppm
  • NO2: 5.2 ppb
  • SO2: 1.2 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

11 AM
100 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 35.17 µg/m³
  • PM10: 39.21 µg/m³
  • O3: 0.022 ppm
  • NO2: 4.7 ppb
  • SO2: 1.6 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

12 PM
98 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 34.54 µg/m³
  • PM10: 38.32 µg/m³
  • O3: 0.024 ppm
  • NO2: 4.8 ppb
  • SO2: 1.6 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

1 PM
92 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 31.57 µg/m³
  • PM10: 34.97 µg/m³
  • O3: 0.026 ppm
  • NO2: 5.2 ppb
  • SO2: 1.9 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

2 PM
80 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 25.84 µg/m³
  • PM10: 28.73 µg/m³
  • O3: 0.031 ppm
  • NO2: 5.1 ppb
  • SO2: 2.2 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

3 PM
72 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 22.19 µg/m³
  • PM10: 24.67 µg/m³
  • O3: 0.034 ppm
  • NO2: 4.4 ppb
  • SO2: 2 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

4 PM
67 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.96 µg/m³
  • PM10: 22.2 µg/m³
  • O3: 0.036 ppm
  • NO2: 4.2 ppb
  • SO2: 1.9 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

5 PM
64 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.68 µg/m³
  • PM10: 20.8 µg/m³
  • O3: 0.036 ppm
  • NO2: 4.6 ppb
  • SO2: 1.8 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

6 PM
62 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 17.85 µg/m³
  • PM10: 19.98 µg/m³
  • O3: 0.035 ppm
  • NO2: 5.3 ppb
  • SO2: 1.7 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

7 PM
62 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 17.49 µg/m³
  • PM10: 19.73 µg/m³
  • O3: 0.035 ppm
  • NO2: 5.6 ppb
  • SO2: 1.6 ppb
  • CO: 0.18 ppm

Health Recommendations:

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

8 PM
63 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.01 µg/m³
  • PM10: 20.41 µg/m³
  • O3: 0.033 ppm
  • NO2: 5.9 ppb
  • SO2: 1.4 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

9 PM
65 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 18.98 µg/m³
  • PM10: 21.6 µg/m³
  • O3: 0.032 ppm
  • NO2: 6.2 ppb
  • SO2: 1.2 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

10 PM
67 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.81 µg/m³
  • PM10: 22.62 µg/m³
  • O3: 0.030 ppm
  • NO2: 6.5 ppb
  • SO2: 1.2 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

11 PM
66 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 19.65 µg/m³
  • PM10: 22.58 µg/m³
  • O3: 0.028 ppm
  • NO2: 6.9 ppb
  • SO2: 1.1 ppb
  • CO: 0.21 ppm

Health Recommendations:

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