What is the air quality in Louisville today?

The current Air Quality Index (AQI) in Louisville is 35 (Good). PM2.5 concentration is 8.52 µg/m³.

What is the temperature in Louisville right now?

The current temperature in Louisville is 17.6°C (feels like 17.6°C). Humidity is 60.0% and wind speed is 31.7 km/h.

Is it safe to go outside in Louisville?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 6.9 (High).

Air Quality in Louisville, United States

Rain

17.6°C · 60.0% humidity

17.6°

Feels 17.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

8 stations

Nearby Monitoring Stations

AQI Forecast

24 2pm

35 5pm

29 8pm

26 11pm

26 2am

24 5am

24 8am

24 11am

Air Quality Index Trend

47h · 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. Current PM2.5 concentration in Louisville is 1.7× the WHO annual guideline of 5 µg/m³.

60.0%

Humidity

31.7 km/h

Wind NNE

1020.0 hPa

Pressure

6.9

UV High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

8.52 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for Louisville?

Temperature & Precipitation

PM2.5 Trend

47h · 6 stations

PM2.58.52 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX6.9

High

Station readings (8 stations within 25 km)

8.52

Median

10.68

Average

5.3

Low

16.4

High

PM2.5 µg/m³ · Model: 9.65 · Bias: +1.1

Both models agree Avg diff: 4.5°C

Where are air quality stations near Louisville?

Maupin Elementary

4.2 km PM2.5: 7.3 µg/m³

Algonquin Parkway, Kentucky, USA

6.4 km PM2.5: 16.4 µg/m³

Algonquin Parkway, Kentucky, USA

6.4 km PM2.5: 6.2 µg/m³

Near Road

7.9 km PM2.5: 7.9 µg/m³

Near Road, Kentucky, USA

7.9 km PM2.5: 3.1 µg/m³

Cannons Lane, Kentucky, USA

9.6 km PM2.5: 14.0 µg/m³

Carrithers Middle School, Kentucky, USA

18.0 km PM2.5: 10.1 µg/m³

Carrithers Middle School, Kentucky, USA

18.0 km PM2.5: 23.0 µg/m³

Watson, Kentucky, USA

24.6 km PM2.5: 7.4 µg/m³

What cities are near Louisville?

24 Jeffersonville 25 Clarksville 42 New Albany 51 Shively 46 Saint Matthews 42 Newburg 41 Okolona 49 Pleasure Ridge Park 44 Highview 49 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 2026-05-28T21:47 UTC.