Stay updated with real-time air quality in Henderson, 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)
48
Good
Henderson, Kentucky
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
52.16 μg/m³
0
55
155
255
425
605+
37.78 ppb
0
55
71
86
201
201+
1.95 ppb
0
36
76
186
605
1005+
13.87 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Henderson, Kentucky
Henderson, Kentucky
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AQI 35
Good
5.59μg/m³
PM2.5
19.62μg/m³
PM10
38.16ppb
O3
1.71ppb
SO2
13.88ppb
NO2
0.20ppm
CO
AQI 41
Good
7.19μg/m³
PM2.5
32.90μg/m³
PM10
43.70ppb
O3
2.16ppb
SO2
13.46ppb
NO2
0.21ppm
CO
AQI 46
Good
6.38μg/m³
PM2.5
50.38μg/m³
PM10
41.05ppb
O3
2.24ppb
SO2
13.94ppb
NO2
0.26ppm
CO
AQI 54
Moderate
10.59μg/m³
PM2.5
29.30μg/m³
PM10
39.18ppb
O3
2.19ppb
SO2
11.99ppb
NO2
0.21ppm
CO
AQI 44
Good
7.24μg/m³
PM2.5
38.10μg/m³
PM10
46.61ppb
O3
1.86ppb
SO2
13.63ppb
NO2
0.25ppm
CO
AQI 54
Moderate
11.43μg/m³
PM2.5
55.04μg/m³
PM10
37.50ppb
O3
1.99ppb
SO2
11.97ppb
NO2
0.20ppm
CO
Air quality and pollutant data for Kentucky, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Henderson, Kentucky is updated every hour for accuracy.
In the past 24 hours, the air quality in Henderson, Kentucky was at its worst at 03:00:00 on 2026-10-22.
In the last 24 hours, the best air quality in Henderson, Kentucky was observed at 09:00:00 on 2026-10-22.
As of now, the AQI in Henderson, Kentucky is 48, indicating Good conditions.
Henderson, Kentucky air has the highest levels of PM10.
Poor air quality in Henderson, Kentucky means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Henderson, Kentucky are currently 7.229 μg/m3.
The PM10 concentration in Henderson, Kentucky is 52.156 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Henderson, Kentucky is 0.222 ppm.
Currently, Henderson, Kentucky has a sulfur dioxide (SO2) concentration of 1.954 ppb.
The current ozone (O3) level in Henderson, Kentucky at the moment is 37.78 ppm.
Nitrogen dioxide (NO2) level in Henderson, Kentucky at the moment is 13.871 ppb.
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