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)
56
Moderate
Henderson, Kentucky
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.37 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.50 μg/m³
0
55
155
255
425
605+
51.59 ppb
0
55
71
86
201
201+
2.19 ppb
0
36
76
186
605
1005+
11.93 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Henderson, Kentucky
Henderson, Kentucky
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AQI 54
Moderate
10.91μg/m³
PM2.5
47.44μg/m³
PM10
53.27ppb
O3
1.10ppb
SO2
11.35ppb
NO2
0.21ppm
CO
AQI 58
Moderate
12.69μg/m³
PM2.5
56.68μg/m³
PM10
51.74ppb
O3
4.10ppb
SO2
13.03ppb
NO2
0.26ppm
CO
AQI 54
Moderate
10.74μg/m³
PM2.5
47.91μg/m³
PM10
50.95ppb
O3
2.38ppb
SO2
13.14ppb
NO2
0.25ppm
CO
AQI 56
Moderate
12.47μg/m³
PM2.5
31.85μg/m³
PM10
54.64ppb
O3
3.29ppb
SO2
13.48ppb
NO2
0.28ppm
CO
AQI 58
Moderate
11.68μg/m³
PM2.5
51.55μg/m³
PM10
56.81ppb
O3
2.89ppb
SO2
11.05ppb
NO2
0.26ppm
CO
AQI 56
Moderate
12.29μg/m³
PM2.5
50.91μg/m³
PM10
56.01ppb
O3
2.87ppb
SO2
11.26ppb
NO2
0.27ppm
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 2026-04-23.
In the last 24 hours, the best air quality in Henderson, Kentucky was observed at 03:00:00 on 2026-04-23.
As of now, the AQI in Henderson, Kentucky is 56, 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 12.366 μg/m3.
The PM10 concentration in Henderson, Kentucky is 33.497 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Henderson, Kentucky is 0.221 ppm.
Currently, Henderson, Kentucky has a sulfur dioxide (SO2) concentration of 2.187 ppb.
The current ozone (O3) level in Henderson, Kentucky at the moment is 51.594 ppm.
Nitrogen dioxide (NO2) level in Henderson, Kentucky at the moment is 11.929 ppb.
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