Today | Weather | Saturday, October 11, 2025

Weather in Louisville, Kentucky

09:43 PM

Now

63° F

Feels Like 61°

Precipitation 0 %

Wind 5 mph

Humidity 81 %

Today

Day 79°

Night 48°

Precipitation 0 %

Wind 5 mph

Louisville Weather Forecast Updated

34 minutes ago

Last updated on October 11, 2025 9:08 PM

Weather Forecast History

Last Year's Weather on This Day (October 11, 2024)

Day

79°

Night

52°

Wind

4 mph

Precipitation

Air Quality in Louisville

NOW

52 AQI

Moderate air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 12.76 µg/m³

PM₁₀ 13.78 µg/m³

O₃ 0.037 ppm

NO₂ 2.6 ppb

SO₂ 0.7 ppb

CO 0.12 ppm

NH₃ 1.49 µg/m³

NO 0 µg/m³

PM_2.5 – 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 12.76 µg/m³

PM₁₀ – 13.78 µg/m³

O₃ – 72.79 µg/m³

NO₂ – 4.88 µg/m³

SO₂ – 1.85 µg/m³

CO – 139.31 µg/m³

NH₃ – 1.49 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast