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

Good
Fine
Moderate
Poor
Very poor
Hazardous
20.99 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
71.70 μg/m³
0
55
155
255
425
605+
9.62 ppb
0
55
71
86
201
201+
0.86 ppb
0
36
76
186
605
1005+
13.52 ppb
0
54
101
361
1250
2050+
0.30 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
20.62μg/m³
PM2.5
59.87μg/m³
PM10
18.57ppb
O3
1.29ppb
SO2
11.15ppb
NO2
0.25ppm
CO
AQI 67
Moderate
18.30μg/m³
PM2.5
69.93μg/m³
PM10
16.67ppb
O3
0.60ppb
SO2
12.78ppb
NO2
0.27ppm
CO
AQI 58
Moderate
12.79μg/m³
PM2.5
49.84μg/m³
PM10
11.23ppb
O3
0.78ppb
SO2
9.41ppb
NO2
0.46ppm
CO
AQI 62
Moderate
14.61μg/m³
PM2.5
55.06μg/m³
PM10
15.28ppb
O3
1.55ppb
SO2
10.55ppb
NO2
0.25ppm
CO
AQI 58
Moderate
13.45μg/m³
PM2.5
43.02μg/m³
PM10
8.85ppb
O3
0.47ppb
SO2
14.15ppb
NO2
0.37ppm
CO
AQI 58
Moderate
12.97μg/m³
PM2.5
41.69μg/m³
PM10
6.82ppb
O3
0.52ppb
SO2
8.56ppb
NO2
0.35ppm
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 06:00:00 on 2025-12-07.
In the last 24 hours, the best air quality in Kentucky, USA was observed at 10:00:00 on 2025-12-06.
As of now, the AQI in Kentucky, USA is 73, 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 20.986 μg/m3.
The PM10 concentration in Kentucky, USA is 71.705 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Kentucky, USA is 0.302 ppm.
Currently, Kentucky, USA has a sulfur dioxide (SO2) concentration of 0.856 ppb.
The current ozone (O3) level in Kentucky, USA at the moment is 9.618 ppm.
Nitrogen dioxide (NO2) level in Kentucky, USA at the moment is 13.515 ppb.
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