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
42 1pm
40
39
45 4pm
45
45
45 7pm
45
45
45 10pm
45
45
45 1am
45
45
45 4am
45
45
45 7am
45
45
45 10am
45
57
Station readings
42
40
39
CAMS model adj +20
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
37
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

PM2.59.48 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
9.48
Median
9.48
Average
9.22
Low
9.73
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?

40
Jeffersonville - Bates-Bowyer Av, Indiana, USA
4.1 km
47
Jeffersonville - Bates-Bowyer Av, Indiana, USA
4.1 km
38
Maupin Elementary
4.2 km PM2.5: 9.2 µg/m³
52
Algonquin Parkway, Kentucky, USA
6.4 km
44
Algonquin Parkway, Kentucky, USA
6.4 km
51
Algonquin Parkway, Kentucky, USA
6.4 km
40
Near Road
7.9 km PM2.5: 9.6 µg/m³
37
Near Road, Kentucky, USA
7.9 km
33
Carrithers Middle School, Kentucky, USA
18.0 km
39
Carrithers Middle School, Kentucky, USA
18.0 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 2026-04-09T16:59 UTC.