Hourly Weather | Today Tuesday, July 7, 2026
Louisville, Kentucky
10 AM
Cloudy Weather
79°
Feels Like 88°
6
Humidity: 84%
UV Index: 3
Wind: 6 mph
11 AM
Cloudy Weather
81°
Feels Like 91°
5
Humidity: 79%
UV Index: 4
Wind: 6 mph
12 PM
Cloudy Weather
82°
Feels Like 95°
5
Humidity: 73%
UV Index: 5
Wind: 6 mph
1 PM
Cloudy Weather
84°
Feels Like 97°
8
Humidity: 69%
UV Index: 6
Wind: 7 mph
2 PM
Cloudy Weather
86°
Feels Like 97°
43
Humidity: 64%
UV Index: 5
Wind: 7 mph
3 PM
Cloudy Weather
84°
Feels Like 95°
47
Humidity: 66%
UV Index: 4
Wind: 7 mph
4 PM
Sunny with a Chance of Thunderstorms
82°
Feels Like 90°
51
Humidity: 77%
UV Index: 2
Wind: 7 mph
5 PM
Cloudy Weather
82°
Feels Like 90°
24
Humidity: 73%
UV Index: 2
Wind: 7 mph
6 PM
Cloudy Weather
82°
Feels Like 90°
19
Humidity: 72%
UV Index: 2
Wind: 7 mph
7 PM
Cloudy Weather
82°
Feels Like 88°
17
Humidity: 71%
UV Index: 1
Wind: 7 mph
8 PM
Cloudy Weather
81°
Feels Like 86°
13
Humidity: 74%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Weather
81°
Feels Like 84°
13
Humidity: 78%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
79°
Feels Like 82°
13
Humidity: 83%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Night
75°
Feels Like 81°
13
Humidity: 87%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 18 µg/m³
  • PM10: 18.83 µg/m³
  • O3: 0.008 ppm
  • NO2: 4.9 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 18.28 µg/m³
  • PM10: 19.07 µg/m³
  • O3: 0.012 ppm
  • NO2: 3 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 22.95 µg/m³
  • PM10: 23.83 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.8 ppb
  • SO2: 2.3 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 18.34 µg/m³
  • PM10: 18.98 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.2 ppb
  • SO2: 1.9 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: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 15.45 µg/m³
  • PM10: 15.96 µg/m³
  • O3: 0.044 ppm
  • NO2: 1 ppb
  • SO2: 1.6 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.

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

Pollutant Concentrations:

  • PM2.5: 14.24 µg/m³
  • PM10: 14.7 µg/m³
  • O3: 0.043 ppm
  • NO2: 1.1 ppb
  • SO2: 1.5 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.

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

Pollutant Concentrations:

  • PM2.5: 14.55 µg/m³
  • PM10: 15 µg/m³
  • O3: 0.040 ppm
  • NO2: 1.1 ppb
  • SO2: 1.3 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.

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

Pollutant Concentrations:

  • PM2.5: 15.21 µg/m³
  • PM10: 15.67 µg/m³
  • O3: 0.038 ppm
  • NO2: 1.1 ppb
  • SO2: 1.2 ppb
  • CO: 0.14 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 15.77 µg/m³
  • PM10: 16.25 µg/m³
  • O3: 0.032 ppm
  • NO2: 1.7 ppb
  • SO2: 1 ppb
  • CO: 0.15 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 16.15 µg/m³
  • PM10: 16.7 µg/m³
  • O3: 0.024 ppm
  • NO2: 2.6 ppb
  • SO2: 0.8 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 16.54 µg/m³
  • PM10: 17.18 µg/m³
  • O3: 0.019 ppm
  • NO2: 3.5 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 16.73 µg/m³
  • PM10: 17.42 µg/m³
  • O3: 0.017 ppm
  • NO2: 4.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 17.1 µg/m³
  • PM10: 17.79 µg/m³
  • O3: 0.012 ppm
  • NO2: 4 ppb
  • SO2: 0.4 ppb
  • CO: 0.16 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 17.45 µg/m³
  • PM10: 18.11 µg/m³
  • O3: 0.009 ppm
  • NO2: 3.6 ppb
  • SO2: 0.3 ppb
  • CO: 0.16 ppm

Health Recommendations:

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