What is the air quality in Louisville today?

The current Air Quality Index (AQI) in Louisville is 23 (Good). PM2.5 concentration is 5.62 µg/m³.

What is the temperature in Louisville right now?

The current temperature in Louisville is 16.4°C (feels like 16.4°C). Humidity is 40.6% and wind speed is 21.9 km/h.

Is it safe to go outside in Louisville?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Louisville, United States

Clear

16.4°C · 40.6% humidity

16.4°

Feels 16.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

11 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 7 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.

40.6%

Humidity

21.9 km/h

Wind NW

1016.9 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

5.62 µg/m³

PM10▲

27.4 µg/m³

050100150200300500

What is the weather forecast for Louisville?

Temperature & Precipitation

PM2.5 Trend

45h · 7 stations

PM2.55.62 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (11 stations within 25 km)

5.62

Median

6.52

Average

3.6

Low

9.1

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +7.9

What is the 7-day forecast for Louisville?

10-20

16.4° 4.0°

10-21

22.6° 12.4°

10-22

24.9° 9.7°

10-23

22.5° 8.1°

0.5 mm

10-24

24.6° 11.8°

10-25

18.9° 4.1°

10-26

23.1° 9.1°

0.75 mm

Both models agree Avg diff: 3.4°C

Where are air quality stations near Louisville?

Jeffersonville - Bates-Bowyer Av, Indiana, USA

4.1 km PM2.5: 3.6 µg/m³

Jeffersonville - Bates-Bowyer Av, Indiana, USA

4.1 km PM2.5: 4.6 µg/m³

Maupin Elementary

4.2 km PM2.5: 5.4 µg/m³

Algonquin Parkway, Kentucky, USA

6.4 km PM2.5: 8.6 µg/m³

Algonquin Parkway, Kentucky, USA

6.4 km PM2.5: 7.4 µg/m³

Near Road, Kentucky, USA

7.9 km PM2.5: 4.8 µg/m³

Near Road, Kentucky, USA

7.9 km PM2.5: 5.5 µg/m³

Near Road, Kentucky, USA

7.9 km PM2.5: 9.6 µg/m³

Near Road, Kentucky, USA

7.9 km PM2.5: 11.5 µg/m³

Near Road, Kentucky, USA

7.9 km PM2.5: 3.8 µg/m³

What cities are near Louisville?

18 Jeffersonville 18 Clarksville 26 New Albany 30 Shively 25 Saint Matthews 27 Newburg 27 Okolona 29 Pleasure Ridge Park 28 Highview 30 Jeffersontown

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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 2026-10-20T20:06 UTC.