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)
33
Good
Henderson, Kentucky
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.98 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.06 μg/m³
0
55
155
255
425
605+
23.61 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
1.79 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Henderson, Kentucky
Henderson, Kentucky
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AQI 33
Good
5.99μg/m³
PM2.5
19.32μg/m³
PM10
24.67ppb
O3
0.46ppb
SO2
0.73ppb
NO2
0.20ppm
CO
AQI 27
Good
5.06μg/m³
PM2.5
21.86μg/m³
PM10
15.70ppb
O3
0.54ppb
SO2
3.46ppb
NO2
0.21ppm
CO
AQI 27
Good
5.35μg/m³
PM2.5
25.48μg/m³
PM10
23.75ppb
O3
0.47ppb
SO2
3.61ppb
NO2
0.18ppm
CO
AQI 33
Good
5.51μg/m³
PM2.5
13.40μg/m³
PM10
23.45ppb
O3
0.62ppb
SO2
3.92ppb
NO2
0.21ppm
CO
AQI 33
Good
5.93μg/m³
PM2.5
18.91μg/m³
PM10
22.20ppb
O3
0.56ppb
SO2
3.23ppb
NO2
0.17ppm
CO
AQI 33
Good
5.74μg/m³
PM2.5
16.68μg/m³
PM10
22.18ppb
O3
0.57ppb
SO2
3.70ppb
NO2
0.22ppm
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 11:00:00 on 2026-09-06.
In the last 24 hours, the best air quality in Henderson, Kentucky was observed at 10:00:00 on 2026-09-07.
As of now, the AQI in Henderson, Kentucky is 33, indicating Good conditions.
Henderson, Kentucky air has the highest levels of PM2.5.
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 5.979 μg/m3.
The PM10 concentration in Henderson, Kentucky is 19.064 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Henderson, Kentucky is 0.191 ppm.
Currently, Henderson, Kentucky has a sulfur dioxide (SO2) concentration of 0.407 ppb.
The current ozone (O3) level in Henderson, Kentucky at the moment is 23.607 ppm.
Nitrogen dioxide (NO2) level in Henderson, Kentucky at the moment is 1.79 ppb.
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