What is the air quality in Louisville today?

The current Air Quality Index (AQI) in Louisville is 20 (Good). PM2.5 concentration is 4.65 µg/m³.

What is the temperature in Louisville right now?

The current temperature in Louisville is 20.3°C (feels like 20.3°C). Humidity is 59.1% and wind speed is 46.7 km/h.

Is it safe to go outside in Louisville?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Louisville, United States

Windy

20.3°C · 59.1% humidity

20.3°

Feels 20.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

6 stations

Nearby Monitoring Stations

AQI Forecast

27 6pm

20 9pm

24 12am

26 3am

27 6am

25 9am

24 12pm

25 3pm

Air Quality Index Trend

46h · 6 stn

View full history →

Louisville's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

59.1%

Humidity

46.7 km/h

Wind WNW

1010.8 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.65 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Louisville?

Temperature & Precipitation

PM2.5 Trend

46h · 6 stations

PM2.54.65 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (6 stations within 25 km)

4.65

Median

5.1

Average

4.1

Low

5.8

High

PM2.5 µg/m³ · Model: 6.15 · Bias: +1.5

What is the 7-day forecast for Louisville?

06-09

25.6° 13.6°

0.81 mm

06-10

30.0° 21.8°

4.0 mm

06-11

26.8° 15.2°

0.13 mm

06-12

31.9° 20.3°

1.31 mm

06-13

27.5° 22.1°

6.94 mm

06-14

28.3° 16.4°

13.25 mm

06-15

33.0° 22.1°

0.19 mm

Both models agree Avg diff: 3.5°C

Where are air quality stations near Louisville?

Maupin Elementary

4.2 km PM2.5: 4.7 µg/m³

Algonquin Parkway, Kentucky, USA

6.4 km PM2.5: 16.4 µg/m³

Algonquin Parkway, Kentucky, USA

6.4 km PM2.5: 7.4 µg/m³

Near Road

7.9 km PM2.5: 5.6 µg/m³

Near Road, Kentucky, USA

7.9 km PM2.5: 3.4 µg/m³

Cannons Lane, Kentucky, USA

9.6 km PM2.5: 8.2 µg/m³

Carrithers Middle School, Kentucky, USA

18.0 km PM2.5: 5.5 µg/m³

Carrithers Middle School, Kentucky, USA

18.0 km PM2.5: 9.1 µg/m³

Watson, Kentucky, USA

24.6 km PM2.5: 4.3 µg/m³

What cities are near Louisville?

18 Jeffersonville 18 Clarksville 21 New Albany 23 Shively 22 Saint Matthews 20 Newburg 20 Okolona 22 Pleasure Ridge Park 21 Highview 22 Jeffersontown

Get AQI alerts for Louisville

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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T01:04 UTC.