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)
58
Moderate
Kentucky, USA
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.24 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
47.55 μg/m³
0
55
155
255
425
605+
57.48 ppb
0
55
71
86
201
201+
1.46 ppb
0
36
76
186
605
1005+
8.31 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Kentucky, USA
Kentucky, USA
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| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
AQI 64
Moderate
9.68μg/m³
PM2.5
35.89μg/m³
PM10
58.81ppb
O3
1.07ppb
SO2
5.12ppb
NO2
0.25ppm
CO
AQI 56
Moderate
11.95μg/m³
PM2.5
48.47μg/m³
PM10
55.45ppb
O3
0.68ppb
SO2
3.21ppb
NO2
0.28ppm
CO
AQI 58
Moderate
12.19μg/m³
PM2.5
49.48μg/m³
PM10
57.19ppb
O3
1.08ppb
SO2
5.78ppb
NO2
0.23ppm
CO
AQI 48
Good
7.77μg/m³
PM2.5
33.77μg/m³
PM10
52.42ppb
O3
1.20ppb
SO2
3.89ppb
NO2
0.23ppm
CO
AQI 71
Moderate
7.42μg/m³
PM2.5
28.99μg/m³
PM10
60.90ppb
O3
0.60ppb
SO2
2.86ppb
NO2
0.18ppm
CO
AQI 77
Moderate
8.47μg/m³
PM2.5
29.29μg/m³
PM10
62.88ppb
O3
0.57ppb
SO2
4.32ppb
NO2
0.21ppm
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 2026-04-23.
In the last 24 hours, the best air quality in Kentucky, USA was observed at 01:00:00 on 2026-04-23.
As of now, the AQI in Kentucky, USA is 58, indicating Moderate conditions.
Kentucky, USA air has the highest levels of O3.
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 12.244 μg/m3.
The PM10 concentration in Kentucky, USA is 47.553 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Kentucky, USA is 0.212 ppm.
Currently, Kentucky, USA has a sulfur dioxide (SO2) concentration of 1.457 ppb.
The current ozone (O3) level in Kentucky, USA at the moment is 57.48 ppm.
Nitrogen dioxide (NO2) level in Kentucky, USA at the moment is 8.315 ppb.
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