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)
73
Moderate
Henderson, Kentucky
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
20.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
61.82 μg/m³
0
55
155
255
425
605+
15.91 ppb
0
55
71
86
201
201+
1.38 ppb
0
36
76
186
605
1005+
6.20 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Henderson, Kentucky
Henderson, Kentucky
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AQI 73
Moderate
21.08μg/m³
PM2.5
56.31μg/m³
PM10
16.26ppb
O3
1.87ppb
SO2
2.85ppb
NO2
0.30ppm
CO
AQI 73
Moderate
21.29μg/m³
PM2.5
91.20μg/m³
PM10
16.59ppb
O3
0.95ppb
SO2
8.29ppb
NO2
0.33ppm
CO
AQI 71
Moderate
20.03μg/m³
PM2.5
43.60μg/m³
PM10
11.32ppb
O3
1.05ppb
SO2
8.15ppb
NO2
0.28ppm
CO
AQI 71
Moderate
19.84μg/m³
PM2.5
27.16μg/m³
PM10
12.54ppb
O3
0.91ppb
SO2
8.95ppb
NO2
0.33ppm
CO
AQI 71
Moderate
19.69μg/m³
PM2.5
73.45μg/m³
PM10
14.95ppb
O3
1.06ppb
SO2
8.83ppb
NO2
0.27ppm
CO
AQI 71
Moderate
19.75μg/m³
PM2.5
84.26μg/m³
PM10
15.33ppb
O3
1.05ppb
SO2
9.22ppb
NO2
0.32ppm
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 2025-12-07.
In the last 24 hours, the best air quality in Henderson, Kentucky was observed at 11:00:00 on 2025-12-06.
As of now, the AQI in Henderson, Kentucky is 73, 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 20.799 μg/m3.
The PM10 concentration in Henderson, Kentucky is 61.824 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Henderson, Kentucky is 0.292 ppm.
Currently, Henderson, Kentucky has a sulfur dioxide (SO2) concentration of 1.376 ppb.
The current ozone (O3) level in Henderson, Kentucky at the moment is 15.909 ppm.
Nitrogen dioxide (NO2) level in Henderson, Kentucky at the moment is 6.202 ppb.
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