Stay updated with real-time air quality in Kentucky, USA 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)
71
Moderate
Kentucky, USA
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
20.27 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
71.98 μg/m³
0
55
155
255
425
605+
12.60 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
14.06 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Kentucky, USA
Kentucky, USA
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 73
Moderate
21.00μg/m³
PM2.5
59.02μg/m³
PM10
19.68ppb
O3
1.29ppb
SO2
10.53ppb
NO2
0.24ppm
CO
AQI 66
Moderate
17.49μg/m³
PM2.5
66.41μg/m³
PM10
20.49ppb
O3
0.72ppb
SO2
13.17ppb
NO2
0.28ppm
CO
AQI 54
Moderate
11.30μg/m³
PM2.5
47.10μg/m³
PM10
17.86ppb
O3
0.89ppb
SO2
10.68ppb
NO2
0.36ppm
CO
AQI 64
Moderate
16.33μg/m³
PM2.5
60.60μg/m³
PM10
19.10ppb
O3
1.74ppb
SO2
7.75ppb
NO2
0.23ppm
CO
AQI 56
Moderate
12.31μg/m³
PM2.5
42.36μg/m³
PM10
13.18ppb
O3
0.45ppb
SO2
14.08ppb
NO2
0.39ppm
CO
AQI 54
Moderate
11.39μg/m³
PM2.5
40.38μg/m³
PM10
9.71ppb
O3
0.41ppb
SO2
8.59ppb
NO2
0.43ppm
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 Kentucky, USA is updated every hour for accuracy.
In the past 24 hours, the air quality in Kentucky, USA was at its worst at 02:00:00 on 2025-12-07.
In the last 24 hours, the best air quality in Kentucky, USA was observed at 05:00:00 on 2025-12-06.
As of now, the AQI in Kentucky, USA is 69, indicating Moderate conditions.
Kentucky, USA air has the highest levels of PM2.5.
Poor air quality in Kentucky, USA means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Kentucky, USA are currently 18.644 μg/m3.
The PM10 concentration in Kentucky, USA is 62.949 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Kentucky, USA is 0.298 ppm.
Currently, Kentucky, USA has a sulfur dioxide (SO2) concentration of 1.146 ppb.
The current ozone (O3) level in Kentucky, USA at the moment is 16.697 ppm.
Nitrogen dioxide (NO2) level in Kentucky, USA at the moment is 11.386 ppb.
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