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)
49
Good
Kentucky, USA
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.07 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
34.09 μg/m³
0
55
155
255
425
605+
26.67 ppb
0
55
71
86
201
201+
0.83 ppb
0
36
76
186
605
1005+
9.18 ppb
0
54
101
361
1250
2050+
0.29 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 44
Good
7.99μg/m³
PM2.5
26.65μg/m³
PM10
45.23ppb
O3
1.21ppb
SO2
6.50ppb
NO2
0.22ppm
CO
AQI 49
Good
8.61μg/m³
PM2.5
34.12μg/m³
PM10
41.77ppb
O3
0.89ppb
SO2
6.31ppb
NO2
0.27ppm
CO
AQI 38
Good
6.73μg/m³
PM2.5
31.34μg/m³
PM10
25.52ppb
O3
0.52ppb
SO2
7.91ppb
NO2
0.31ppm
CO
AQI 49
Good
8.83μg/m³
PM2.5
37.14μg/m³
PM10
31.95ppb
O3
0.83ppb
SO2
3.82ppb
NO2
0.23ppm
CO
AQI 44
Good
7.59μg/m³
PM2.5
23.37μg/m³
PM10
44.92ppb
O3
0.50ppb
SO2
4.81ppb
NO2
0.20ppm
CO
AQI 54
Moderate
11.16μg/m³
PM2.5
35.81μg/m³
PM10
41.69ppb
O3
0.42ppb
SO2
5.88ppb
NO2
0.24ppm
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 09:00:00 on 2026-06-07.
In the last 24 hours, the best air quality in Kentucky, USA was observed at 01:00:00 on 2026-06-08.
As of now, the AQI in Kentucky, USA is 52, 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 9.808 μg/m3.
The PM10 concentration in Kentucky, USA is 43.343 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Kentucky, USA is 0.175 ppm.
Currently, Kentucky, USA has a sulfur dioxide (SO2) concentration of 0.256 ppb.
The current ozone (O3) level in Kentucky, USA at the moment is 30.212 ppm.
Nitrogen dioxide (NO2) level in Kentucky, USA at the moment is 4.107 ppb.
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