Stay updated with real-time air quality in Bardstown, 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)
41
Good
Bardstown, Kentucky
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.79 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.01 μg/m³
0
55
155
255
425
605+
43.98 ppb
0
55
71
86
201
201+
0.38 ppb
0
36
76
186
605
1005+
5.21 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Bardstown, Kentucky
Bardstown, Kentucky
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AQI 42
Good
3.60μg/m³
PM2.5
16.01μg/m³
PM10
45.42ppb
O3
0.32ppb
SO2
4.49ppb
NO2
0.11ppm
CO
AQI 43
Good
3.67μg/m³
PM2.5
9.61μg/m³
PM10
46.00ppb
O3
0.32ppb
SO2
4.66ppb
NO2
0.11ppm
CO
AQI 41
Good
3.21μg/m³
PM2.5
13.95μg/m³
PM10
44.05ppb
O3
0.41ppb
SO2
5.22ppb
NO2
0.12ppm
CO
AQI 44
Good
3.79μg/m³
PM2.5
22.37μg/m³
PM10
48.38ppb
O3
0.37ppb
SO2
5.04ppb
NO2
0.12ppm
CO
AQI 43
Good
3.42μg/m³
PM2.5
7.38μg/m³
PM10
45.61ppb
O3
0.28ppb
SO2
3.93ppb
NO2
0.11ppm
CO
AQI 42
Good
3.68μg/m³
PM2.5
13.08μg/m³
PM10
45.50ppb
O3
0.44ppb
SO2
5.67ppb
NO2
0.12ppm
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 Bardstown, Kentucky is updated on an hourly basis.
The worst air quality in Bardstown, Kentucky was recorded at 09:00:00 on 2026-07-22.
The best air quality in Bardstown, Kentucky was recorded at 12:00:00 on 2026-07-23.
The real-time air quality index in Bardstown, Kentucky is 41, currently categorized as Good.
The most common pollutant in Bardstown, Kentucky is O3.
If the air quality in Bardstown, Kentucky is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Bardstown, Kentucky at present are 3.792 μg/m3.
The current PM10 levels in Bardstown, Kentucky are 11.007 μg/m3.
The current carbon monoxide (CO) level in Bardstown, Kentucky is 0.116 ppm.
The current sulfur dioxide (SO2) levels in Bardstown, Kentucky are 0.381 ppb.
The current ozone (O3) levels at Bardstown, Kentucky is 43.982 ppm.
The current nitrogen dioxide (NO2) levels at Bardstown, Kentucky is 5.206 ppb.
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