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)
42
Good
Madisonville, Kentucky
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.32 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.18 μg/m³
0
55
155
255
425
605+
45.48 ppb
0
55
71
86
201
201+
1.52 ppb
0
36
76
186
605
1005+
3.51 ppb
0
54
101
361
1250
2050+
0.16 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
3.02μg/m³
PM2.5
13.55μg/m³
PM10
45.93ppb
O3
1.25ppb
SO2
4.04ppb
NO2
0.16ppm
CO
AQI 37
Good
3.12μg/m³
PM2.5
15.54μg/m³
PM10
40.26ppb
O3
1.38ppb
SO2
1.96ppb
NO2
0.18ppm
CO
AQI 38
Good
2.91μg/m³
PM2.5
12.12μg/m³
PM10
40.90ppb
O3
1.22ppb
SO2
4.65ppb
NO2
0.15ppm
CO
AQI 38
Good
3.13μg/m³
PM2.5
16.00μg/m³
PM10
41.13ppb
O3
0.79ppb
SO2
1.01ppb
NO2
0.20ppm
CO
AQI 44
Good
0.58μg/m³
PM2.5
2.82μg/m³
PM10
47.94ppb
O3
1.19ppb
SO2
4.23ppb
NO2
0.16ppm
CO
AQI 44
Good
0.58μg/m³
PM2.5
2.88μg/m³
PM10
48.06ppb
O3
1.19ppb
SO2
4.26ppb
NO2
0.16ppm
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 03:00:00 on 2026-10-05.
The best air quality in Madisonville, Kentucky was recorded at 02:00:00 on 2026-10-05.
The real-time air quality index in Madisonville, Kentucky is 42, 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 2.316 μg/m3.
The current PM10 levels in Madisonville, Kentucky are 9.182 μg/m3.
The current carbon monoxide (CO) level in Madisonville, Kentucky is 0.158 ppm.
The current sulfur dioxide (SO2) levels in Madisonville, Kentucky are 1.517 ppb.
The current ozone (O3) levels at Madisonville, Kentucky is 45.48 ppm.
The current nitrogen dioxide (NO2) levels at Madisonville, Kentucky is 3.508 ppb.
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