Air Quality in Louisville, United States

Windy
17.9°C · 37.8% humidity
17.9°
Feels 17.9°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
40 2pm
39
40
43 5pm
43
43
43 8pm
43
43
43 11pm
43
43
43 2am
43
43
43 5am
43
43
43 8am
43
43
43 11am
55
43
Station readings
40
39
40
CAMS model adj +18
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
37
25
AD 728×90

PM2.5 Trend (24h)

23h · 2 stations
37.8%
Humidity
57.1 km/h
Wind SSW
1026.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Louisville?

Temperature & Precipitation

PM2.59.47 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
9.47
Median
9.47
Average
9.11
Low
9.83
High
PM2.5 µg/m³ · Model: 7.4 · Bias: -2.1

What is the 7-day forecast for Louisville?

04-09
17.9° 7.8°
04-10
20.6° 8.6°
04-11
17.6° 12.8°
04-12
25.8° 13.2°
04-13
25.9° 18.2°
04-14
25.0° 18.8°
1.37 mm
04-15
21.9° 12.5°
20.88 mm
Both models agree Avg diff: 3.4°C

Where are air quality stations near Louisville?

43
Jeffersonville - Bates-Bowyer Av, Indiana, USA
4.1 km
38
Maupin Elementary
4.2 km PM2.5: 9.0 µg/m³
51
Algonquin Parkway, Kentucky, USA
6.4 km
44
Algonquin Parkway, Kentucky, USA
6.4 km
42
Near Road
7.9 km PM2.5: 10.0 µg/m³
40
Cannons Lane, Kentucky, USA
9.6 km
42
Carrithers Middle School, Kentucky, USA
18.0 km
39
Carrithers Middle School, Kentucky, USA
18.0 km
33
Carrithers Middle School, Kentucky, USA
18.0 km
38
Watson, Kentucky, USA
24.6 km

What cities are near Louisville?

40 Jeffersonville 40 Clarksville 40 New Albany 40 Shively 40 Saint Matthews 40 Newburg 40 Okolona 40 Pleasure Ridge Park 40 Highview 40 Jeffersontown

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T17:36 UTC.