Air Quality in Louisville, United States

Windy
27.3°C · 48.6% humidity
27.3°
Feels 29.1°
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast
34 4pm
34
34
50 7pm
65
62
60 10pm
38
37
36 1am
36
55
55 4am
55
54
54 7am
54
34
34 10am
34
54
54 1pm
54
54
AD 728×90

Air Quality Index Trend

46h · 5 stn

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.

48.6%
Humidity
40.0 km/h
Wind NE
1015.1 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
50
11.99 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Louisville?

Temperature & Precipitation

PM2.5 Trend

46h · 5 stations
PM2.511.99 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (6 stations within 25 km)
11.99
Median
12.22
Average
11.5
Low
13.1
High
PM2.5 µg/m³ · Model: 10.85 · Bias: -1.1

What is the 7-day forecast for Louisville?

08-03
33.1° 19.2°
0.94 mm
08-04
34.5° 20.0°
08-05
35.4° 15.3°
37.5 mm
08-06
39.6° 21.8°
0.94 mm
08-07
33.9° 20.8°
0.06 mm
08-08
35.0° 23.1°
7.56 mm
08-09
36.2° 24.1°
1.81 mm
Both models agree Avg diff: 2.8°C

Where are air quality stations near Louisville?

59
Engine 15 Black Carbon Study
2.8 km PM2.5: 16.1 µg/m³
45
Jeffersonville - Bates-Bowyer Av, Indiana, USA
4.1 km PM2.5: 10.8 µg/m³
45
Jeffersonville - Bates-Bowyer Av, Indiana, USA
4.1 km PM2.5: 10.8 µg/m³
49
Jeffersonville - Bates-Bowyer Av, Indiana, USA
4.1 km PM2.5: 11.8 µg/m³
54
Maupin Elementary
4.2 km PM2.5: 13.7 µg/m³
55
Algonquin Parkway, Kentucky, USA
6.4 km PM2.5: 14.0 µg/m³
53
Algonquin Parkway, Kentucky, USA
6.4 km PM2.5: 13.1 µg/m³
51
Near Road, Kentucky, USA
7.9 km PM2.5: 12.1 µg/m³
50
Near Road, Kentucky, USA
7.9 km PM2.5: 12.0 µg/m³
49
Cannons Lane, Kentucky, USA
9.6 km PM2.5: 11.8 µg/m³

What cities are near Louisville?

48 Jeffersonville 48 Clarksville 52 New Albany 52 Shively 50 Saint Matthews 51 Newburg 51 Okolona 52 Pleasure Ridge Park 51 Highview 51 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 2026-08-07T23:59 UTC.