Stay updated with real-time air quality in Madisonville, 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)
39
Good
Madisonville, Kentucky
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.49 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.82 μg/m³
0
55
155
255
425
605+
41.87 ppb
0
55
71
86
201
201+
2.62 ppb
0
36
76
186
605
1005+
9.47 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Madisonville, Kentucky
Madisonville, Kentucky
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AQI 43
Good
6.97μg/m³
PM2.5
33.78μg/m³
PM10
46.29ppb
O3
2.43ppb
SO2
9.64ppb
NO2
0.26ppm
CO
AQI 47
Good
5.70μg/m³
PM2.5
50.75μg/m³
PM10
38.21ppb
O3
2.58ppb
SO2
9.38ppb
NO2
0.22ppm
CO
AQI 46
Good
6.23μg/m³
PM2.5
30.92μg/m³
PM10
49.83ppb
O3
2.43ppb
SO2
9.03ppb
NO2
0.20ppm
CO
AQI 33
Good
5.51μg/m³
PM2.5
29.72μg/m³
PM10
33.76ppb
O3
2.42ppb
SO2
9.30ppb
NO2
0.20ppm
CO
AQI 41
Good
5.85μg/m³
PM2.5
26.70μg/m³
PM10
44.31ppb
O3
2.38ppb
SO2
9.66ppb
NO2
0.27ppm
CO
AQI 41
Good
5.87μg/m³
PM2.5
26.75μg/m³
PM10
44.22ppb
O3
2.38ppb
SO2
9.65ppb
NO2
0.27ppm
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 Madisonville, Kentucky is updated on an hourly basis.
The worst air quality in Madisonville, Kentucky was recorded at 11:00:00 on 2026-10-22.
The best air quality in Madisonville, Kentucky was recorded at 02:00:00 on 2026-10-22.
The real-time air quality index in Madisonville, Kentucky is 39, currently categorized as Good.
The most common pollutant in Madisonville, Kentucky is O3.
If the air quality in Madisonville, Kentucky is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Madisonville, Kentucky at present are 6.486 μg/m3.
The current PM10 levels in Madisonville, Kentucky are 32.824 μg/m3.
The current carbon monoxide (CO) level in Madisonville, Kentucky is 0.241 ppm.
The current sulfur dioxide (SO2) levels in Madisonville, Kentucky are 2.617 ppb.
The current ozone (O3) levels at Madisonville, Kentucky is 41.871 ppm.
The current nitrogen dioxide (NO2) levels at Madisonville, Kentucky is 9.469 ppb.
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