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)
52
Moderate
Henderson, Kentucky
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.14 μg/m³
0
55
155
255
425
605+
25.41 ppb
0
55
71
86
201
201+
0.46 ppb
0
36
76
186
605
1005+
4.57 ppb
0
54
101
361
1250
2050+
0.44 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Henderson, Kentucky
Henderson, Kentucky
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AQI 44
Good
7.99μg/m³
PM2.5
26.80μg/m³
PM10
26.20ppb
O3
0.42ppb
SO2
4.56ppb
NO2
0.48ppm
CO
AQI 33
Good
5.75μg/m³
PM2.5
24.41μg/m³
PM10
24.92ppb
O3
0.48ppb
SO2
4.25ppb
NO2
0.38ppm
CO
AQI 19
Good
3.34μg/m³
PM2.5
20.65μg/m³
PM10
20.09ppb
O3
0.49ppb
SO2
4.55ppb
NO2
0.35ppm
CO
AQI 58
Moderate
12.56μg/m³
PM2.5
21.64μg/m³
PM10
25.67ppb
O3
0.51ppb
SO2
3.94ppb
NO2
0.34ppm
CO
AQI 54
Moderate
10.92μg/m³
PM2.5
41.80μg/m³
PM10
31.72ppb
O3
0.42ppb
SO2
3.94ppb
NO2
0.32ppm
CO
AQI 52
Moderate
10.24μg/m³
PM2.5
42.92μg/m³
PM10
27.44ppb
O3
0.50ppb
SO2
3.88ppb
NO2
0.34ppm
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 09:00:00 on 2026-06-07.
In the last 24 hours, the best air quality in Henderson, Kentucky was observed at 03:00:00 on 2026-06-08.
As of now, the AQI in Henderson, Kentucky is 52, indicating Moderate 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 9.666 μg/m3.
The PM10 concentration in Henderson, Kentucky is 29.14 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Henderson, Kentucky is 0.441 ppm.
Currently, Henderson, Kentucky has a sulfur dioxide (SO2) concentration of 0.457 ppb.
The current ozone (O3) level in Henderson, Kentucky at the moment is 25.41 ppm.
Nitrogen dioxide (NO2) level in Henderson, Kentucky at the moment is 4.567 ppb.
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