Hourly Weather | Today Thursday, September 11, 2025
Chattanooga, Tennessee
6 AM
Night
61°
Feels Like 63°
0
Humidity: 95%
Wind: 2 mph
UV Index: 0
7 AM
Cloudy Night
61°
Feels Like 63°
0
Humidity: 96%
Wind: 2 mph
UV Index: 0
8 AM
Cloudy Weather
63°
Feels Like 66°
0
Humidity: 95%
Wind: 2 mph
UV Index: 12
9 AM
Cloudy Weather
66°
Feels Like 70°
0
Humidity: 85%
Wind: 4 mph
UV Index: 22
10 AM
Cloudy Weather
72°
Feels Like 79°
0
Humidity: 69%
Wind: 4 mph
UV Index: 35
11 AM
Cloudy Weather
77°
Feels Like 84°
0
Humidity: 58%
Wind: 5 mph
UV Index: 48
12 PM
Cloudy Weather
81°
Feels Like 90°
0
Humidity: 52%
Wind: 5 mph
UV Index: 65
1 PM
Cloudy Weather
82°
Feels Like 91°
0
Humidity: 48%
Wind: 6 mph
UV Index: 72
2 PM
Cloudy Weather
84°
Feels Like 91°
0
Humidity: 45%
Wind: 6 mph
UV Index: 65
3 PM
Cloudy Weather
88°
Feels Like 91°
0
Humidity: 43%
Wind: 7 mph
UV Index: 48
4 PM
Cloudy Weather
84°
Feels Like 88°
0
Humidity: 47%
Wind: 7 mph
UV Index: 35
5 PM
Cloudy Weather
82°
Feels Like 84°
0
Humidity: 51%
Wind: 6 mph
UV Index: 22
6 PM
Cloudy Weather
82°
Feels Like 82°
0
Humidity: 53%
Wind: 6 mph
UV Index: 12
7 PM
Cloudy Weather
81°
Feels Like 81°
0
Humidity: 55%
Wind: 5 mph
UV Index: 2
8 PM
Cloudy Night
79°
Feels Like 79°
0
Humidity: 60%
Wind: 5 mph
UV Index: 0
9 PM
Night
77°
Feels Like 77°
0
Humidity: 64%
Wind: 5 mph
UV Index: 0
10 PM
Night
75°
Feels Like 73°
0
Humidity: 70%
Wind: 5 mph
UV Index: 0
11 PM
Night
72°
Feels Like 72°
0
Humidity: 77%
Wind: 5 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

6 AM
64 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 22.00 µg/m³
  • PM10: 22.25 µg/m³
  • O₃: 17.99 ppb
  • NO₂: 9.44 ppb
  • SO₂: 0.66 ppb
  • CO: 332.98 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

7 AM
65 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 21.44 µg/m³
  • PM10: 21.70 µg/m³
  • O₃: 19.31 ppb
  • NO₂: 8.89 ppb
  • SO₂: 0.62 ppb
  • CO: 332.45 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

8 AM
66 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 22.31 µg/m³
  • PM10: 22.57 µg/m³
  • O₃: 20.63 ppb
  • NO₂: 8.34 ppb
  • SO₂: 0.59 ppb
  • CO: 331.91 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

9 AM
67 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 22.70 µg/m³
  • PM10: 22.87 µg/m³
  • O₃: 34.96 ppb
  • NO₂: 5.92 ppb
  • SO₂: 0.79 ppb
  • CO: 291.72 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

10 AM
67 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 17.80 µg/m³
  • PM10: 18.04 µg/m³
  • O₃: 49.30 ppb
  • NO₂: 3.50 ppb
  • SO₂: 0.99 ppb
  • CO: 251.53 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

11 AM
67 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 16.14 µg/m³
  • PM10: 16.46 µg/m³
  • O₃: 63.63 ppb
  • NO₂: 1.08 ppb
  • SO₂: 1.19 ppb
  • CO: 211.34 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

12 PM
68 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 16.30 µg/m³
  • PM10: 16.76 µg/m³
  • O₃: 64.79 ppb
  • NO₂: 0.90 ppb
  • SO₂: 1.06 ppb
  • CO: 202.96 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

1 PM
68 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 18.09 µg/m³
  • PM10: 18.85 µg/m³
  • O₃: 65.95 ppb
  • NO₂: 0.71 ppb
  • SO₂: 0.93 ppb
  • CO: 194.58 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

2 PM
68 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 16.57 µg/m³
  • PM10: 17.26 µg/m³
  • O₃: 67.11 ppb
  • NO₂: 0.53 ppb
  • SO₂: 0.80 ppb
  • CO: 186.20 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

3 PM
68 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 15.52 µg/m³
  • PM10: 16.12 µg/m³
  • O₃: 66.59 ppb
  • NO₂: 0.55 ppb
  • SO₂: 0.72 ppb
  • CO: 186.85 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

4 PM
69 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 14.96 µg/m³
  • PM10: 15.53 µg/m³
  • O₃: 66.07 ppb
  • NO₂: 0.58 ppb
  • SO₂: 0.64 ppb
  • CO: 187.50 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

5 PM
79 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 14.77 µg/m³
  • PM10: 15.36 µg/m³
  • O₃: 65.56 ppb
  • NO₂: 0.60 ppb
  • SO₂: 0.56 ppb
  • CO: 188.16 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

6 PM
83 AQI
Moderate air quality Dominant pollutant: o3
Details

Pollutant Concentrations:

  • PM2.5: 14.86 µg/m³
  • PM10: 15.41 µg/m³
  • O₃: 59.99 ppb
  • NO₂: 2.11 ppb
  • SO₂: 0.55 ppb
  • CO: 205.74 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.