Today | Weather | Thursday, November 5, 2026

Weather in Louisville, Kentucky

12:49 PM
Now
Cloudy Weather
66° F
Feels Like 66°
Precipitation 0 %
Wind 12 mph
UV Index (0 - 11+) 3
Humidity 59 %
Today
Cloudy Weather
Day 68°
Night 46°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 3

Louisville Weather Forecast Updated

58 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 5, 2025)
Night

Day

72°

Night

37°

Wind

6 mph

Precipitation

0 %

Air Quality in Louisville

NOW
39 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.98 µg/m³
PM10 5.63 µg/m³
O3 0.042 ppm
NO2 0.9 ppb
SO2 1.5 ppb
CO 0.13 ppm
NH3 0.51 µg/m³
NO 0.41 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)
PM2.5 – 4.98 µg/m³
PM10 – 5.63 µg/m³
O3 – 82.66 µg/m³
NO2 – 1.69 µg/m³
SO2 – 3.93 µg/m³
CO – 152.91 µg/m³
NH3 – 0.51 µg/m³
NO – 0.41 µg/m³