Stay updated with real-time air quality in Fort Thomas, 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)
58
Moderate
Fort Thomas, Kentucky
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.21 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
56.83 μg/m³
0
55
155
255
425
605+
52.89 ppb
0
55
71
86
201
201+
1.69 ppb
0
36
76
186
605
1005+
24.00 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Fort Thomas, Kentucky
Fort Thomas, Kentucky
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AQI 49
Good
8.84μg/m³
PM2.5
38.72μg/m³
PM10
48.91ppb
O3
2.68ppb
SO2
26.35ppb
NO2
0.37ppm
CO
AQI 45
Good
8.44μg/m³
PM2.5
36.88μg/m³
PM10
49.17ppb
O3
2.65ppb
SO2
24.73ppb
NO2
0.36ppm
CO
AQI 49
Good
9.01μg/m³
PM2.5
39.50μg/m³
PM10
48.80ppb
O3
2.68ppb
SO2
27.03ppb
NO2
0.38ppm
CO
AQI 44
Good
7.88μg/m³
PM2.5
29.67μg/m³
PM10
47.56ppb
O3
2.56ppb
SO2
20.67ppb
NO2
0.32ppm
CO
AQI 49
Good
8.54μg/m³
PM2.5
37.38μg/m³
PM10
48.95ppb
O3
2.74ppb
SO2
25.23ppb
NO2
0.36ppm
CO
AQI 45
Good
7.89μg/m³
PM2.5
35.61μg/m³
PM10
49.19ppb
O3
2.63ppb
SO2
22.09ppb
NO2
0.34ppm
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 Fort Thomas, Kentucky is updated every hour for accuracy.
In the past 24 hours, the air quality in Fort Thomas, Kentucky was at its worst at 03:00:00 on 2026-10-22.
In the last 24 hours, the best air quality in Fort Thomas, Kentucky was observed at 01:00:00 on 2026-10-22.
As of now, the AQI in Fort Thomas, Kentucky is 45, indicating Good conditions.
Fort Thomas, Kentucky air has the highest levels of O3.
Poor air quality in Fort Thomas, Kentucky means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Fort Thomas, Kentucky are currently 8.053 μg/m3.
The PM10 concentration in Fort Thomas, Kentucky is 35.416 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Fort Thomas, Kentucky is 0.349 ppm.
Currently, Fort Thomas, Kentucky has a sulfur dioxide (SO2) concentration of 2.649 ppb.
The current ozone (O3) level in Fort Thomas, Kentucky at the moment is 49.476 ppm.
Nitrogen dioxide (NO2) level in Fort Thomas, Kentucky at the moment is 23.38 ppb.
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