Hourly Weather | Today › Friday, October 16, 2026
Louisville, Kentucky
3 PM
Cloudy Weather
57°
Feels Like 54°
20
Humidity: 70%
UV Index: 3
Wind: 16 mph
4 PM
Cloudy Weather
57°
Feels Like 52°
20
Humidity: 68%
UV Index: 2
Wind: 16 mph
5 PM
Cloudy Weather
55°
Feels Like 48°
20
Humidity: 67%
UV Index: 1
Wind: 16 mph
6 PM
Cloudy Weather
55°
Feels Like 48°
20
Humidity: 65%
UV Index: 0
Wind: 15 mph
7 PM
Cloudy Weather
54°
Feels Like 46°
25
Humidity: 67%
UV Index: 0
Wind: 15 mph
8 PM
Rainy Weather
54°
Feels Like 48°
51
Humidity: 73%
UV Index: 0
Wind: 7 mph
9 PM
Cloudy Weather
52°
Feels Like 48°
47
Humidity: 76%
UV Index: 0
Wind: 7 mph
10 PM
Cloudy Weather
52°
Feels Like 46°
34
Humidity: 80%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Weather
52°
Feels Like 46°
15
Humidity: 83%
UV Index: 0
Wind: 9 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 0.96 µg/m³
  • PM10: 1.22 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.2 ppb
  • SO2: 1.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.02 µg/m³
  • PM10: 1.24 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.3 ppb
  • SO2: 1.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.11 µg/m³
  • PM10: 1.33 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.4 ppb
  • SO2: 1.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.18 µg/m³
  • PM10: 1.48 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.6 ppb
  • SO2: 1.1 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.12 µg/m³
  • PM10: 1.52 µg/m³
  • O3: 0.030 ppm
  • NO2: 2.5 ppb
  • SO2: 1.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.87 µg/m³
  • PM10: 1.28 µg/m³
  • O3: 0.031 ppm
  • NO2: 2.1 ppb
  • SO2: 1.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.66 µg/m³
  • PM10: 1.05 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.9 ppb
  • SO2: 1.3 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.55 µg/m³
  • PM10: 0.95 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.9 ppb
  • SO2: 1.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.51 µg/m³
  • PM10: 0.91 µg/m³
  • O3: 0.031 ppm
  • NO2: 1.9 ppb
  • SO2: 1.2 ppb
  • CO: 0.13 ppm

Health Recommendations:

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