Stay updated with real-time air quality in Shepherdsville, Kentucky featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
31
Good
Shepherdsville, Kentucky
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.93 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.26 μg/m³
0
55
155
255
425
605+
33.01 ppb
0
55
71
86
201
201+
0.85 ppb
0
36
76
186
605
1005+
9.20 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Shepherdsville, Kentucky
Shepherdsville, Kentucky
Scroll To Air Quality MapLoading...
AQI 38
Good
3.46μg/m³
PM2.5
15.90μg/m³
PM10
41.18ppb
O3
1.46ppb
SO2
4.78ppb
NO2
0.12ppm
CO
AQI 38
Good
3.66μg/m³
PM2.5
21.60μg/m³
PM10
41.02ppb
O3
0.77ppb
SO2
4.00ppb
NO2
0.12ppm
CO
AQI 39
Good
3.00μg/m³
PM2.5
11.22μg/m³
PM10
41.86ppb
O3
1.45ppb
SO2
4.18ppb
NO2
0.12ppm
CO
AQI 39
Good
3.40μg/m³
PM2.5
16.22μg/m³
PM10
41.55ppb
O3
0.98ppb
SO2
5.24ppb
NO2
0.14ppm
CO
AQI 38
Good
3.62μg/m³
PM2.5
18.19μg/m³
PM10
40.80ppb
O3
0.97ppb
SO2
3.88ppb
NO2
0.11ppm
CO
AQI 39
Good
2.85μg/m³
PM2.5
12.88μg/m³
PM10
41.78ppb
O3
1.55ppb
SO2
3.38ppb
NO2
0.10ppm
CO
Air quality measurements for Kentucky, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Shepherdsville, Kentucky is updated on an hourly basis.
The worst air quality in Shepherdsville, Kentucky was recorded at 03:00:00 on 2026-10-05.
The best air quality in Shepherdsville, Kentucky was recorded at 04:00:00 on 2026-10-05.
The real-time air quality index in Shepherdsville, Kentucky is 36, currently categorized as Good.
The most common pollutant in Shepherdsville, Kentucky is O3.
If the air quality in Shepherdsville, Kentucky is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Shepherdsville, Kentucky at present are 3.125 μg/m3.
The current PM10 levels in Shepherdsville, Kentucky are 13.861 μg/m3.
The current carbon monoxide (CO) level in Shepherdsville, Kentucky is 0.129 ppm.
The current sulfur dioxide (SO2) levels in Shepherdsville, Kentucky are 0.997 ppb.
The current ozone (O3) levels at Shepherdsville, Kentucky is 39.005 ppm.
The current nitrogen dioxide (NO2) levels at Shepherdsville, Kentucky is 4.753 ppb.
All Rights Reserved © Ambee Inc. 2025