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)
40
Good
Henderson, Kentucky
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
7.25 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.40 μg/m³
0
55
155
255
425
605+
42.89 ppb
0
55
71
86
201
201+
0.60 ppb
0
36
76
186
605
1005+
7.57 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Henderson, Kentucky
Henderson, Kentucky
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AQI 43
Good
4.53μg/m³
PM2.5
16.12μg/m³
PM10
46.00ppb
O3
0.30ppb
SO2
3.59ppb
NO2
0.20ppm
CO
AQI 36
Good
4.96μg/m³
PM2.5
21.47μg/m³
PM10
38.51ppb
O3
1.06ppb
SO2
4.43ppb
NO2
0.19ppm
CO
AQI 44
Good
4.10μg/m³
PM2.5
14.21μg/m³
PM10
47.58ppb
O3
1.14ppb
SO2
3.39ppb
NO2
0.19ppm
CO
AQI 39
Good
4.42μg/m³
PM2.5
11.32μg/m³
PM10
41.54ppb
O3
0.88ppb
SO2
4.71ppb
NO2
0.19ppm
CO
AQI 32
Good
4.43μg/m³
PM2.5
18.94μg/m³
PM10
35.31ppb
O3
1.45ppb
SO2
1.98ppb
NO2
0.16ppm
CO
AQI 37
Good
4.23μg/m³
PM2.5
19.05μg/m³
PM10
39.86ppb
O3
1.03ppb
SO2
4.83ppb
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 10:00:00 on 2025-08-30.
In the last 24 hours, the best air quality in Henderson, Kentucky was observed at 04:00:00 on 2025-08-30.
As of now, the AQI in Henderson, Kentucky is 43, indicating Good conditions.
Henderson, Kentucky air has the highest levels of O3.
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 4.858 μg/m3.
The PM10 concentration in Henderson, Kentucky is 19.89 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Henderson, Kentucky is 0.193 ppm.
Currently, Henderson, Kentucky has a sulfur dioxide (SO2) concentration of 1.161 ppb.
The current ozone (O3) level in Henderson, Kentucky at the moment is 46.347 ppm.
Nitrogen dioxide (NO2) level in Henderson, Kentucky at the moment is 3.556 ppb.
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