Today | Weather | Friday, November 21, 2025

Weather in Louisville, Kentucky

11:22 AM
Now
Rainy Weather
54° F
Feels Like 52°
Precipitation 63 %
Wind 5 mph
UV Index (0 - 11+) 1
Humidity 94 %
Today
Rainy Weather
Day 61°
Night 54°
Precipitation 97 %
Wind 5 mph
UV Index (0 - 11+) 1

Louisville Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 21, 2024)
Snowy Weather

Day

39°

Night

34°

Wind

12 mph

Precipitation

92 %

Air Quality in Louisville

NOW
23 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 5.44 µg/m³
PM10 5.68 µg/m³
O3 0.002 ppm
NO2 4 ppb
SO2 0.1 ppb
CO 0.22 ppm
NH3 0.51 µg/m³
NO 3.09 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

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

Show raw pollutant concentrations (µg/m³)
PM2.55.44 µg/m³
PM105.68 µg/m³
O34.14 µg/m³
NO27.62 µg/m³
SO20.31 µg/m³
CO257.13 µg/m³
NH30.51 µg/m³
NO3.09 µg/m³