Stay updated with real-time air quality in St. Matthews, 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)
52
Moderate
St. Matthews, Kentucky
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.89 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.03 μg/m³
0
55
155
255
425
605+
8.14 ppb
0
55
71
86
201
201+
0.62 ppb
0
36
76
186
605
1005+
15.27 ppb
0
54
101
361
1250
2050+
0.97 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
St. Matthews, Kentucky
St. Matthews, Kentucky
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AQI 49
Good
9.32μg/m³
PM2.5
22.20μg/m³
PM10
8.92ppb
O3
0.66ppb
SO2
15.39ppb
NO2
0.91ppm
CO
AQI 38
Good
6.85μg/m³
PM2.5
13.56μg/m³
PM10
10.62ppb
O3
0.70ppb
SO2
15.50ppb
NO2
0.87ppm
CO
AQI 58
Moderate
13.10μg/m³
PM2.5
58.06μg/m³
PM10
8.20ppb
O3
0.69ppb
SO2
15.38ppb
NO2
0.86ppm
CO
AQI 54
Moderate
11.18μg/m³
PM2.5
42.80μg/m³
PM10
8.70ppb
O3
0.84ppb
SO2
15.38ppb
NO2
0.84ppm
CO
AQI 58
Moderate
12.91μg/m³
PM2.5
56.88μg/m³
PM10
8.22ppb
O3
0.69ppb
SO2
15.36ppb
NO2
0.86ppm
CO
AQI 52
Moderate
9.61μg/m³
PM2.5
33.36μg/m³
PM10
9.39ppb
O3
1.12ppb
SO2
15.43ppb
NO2
0.83ppm
CO
The air quality data for Kentucky, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for St. Matthews, Kentucky are available every hour.
St. Matthews, Kentucky experienced its worst air quality at 12:00:00, 2025-06-02.
The best air quality in St. Matthews, Kentucky was observed at 02:00:00 on 2025-06-02.
The air quality in St. Matthews, Kentucky right now is Moderate, with an AQI of 52.
In St. Matthews, Kentucky, PM2.5 is the most frequently found pollutant.
When air quality in St. Matthews, Kentucky is compromised, staying indoors and wearing a mask can reduce health risks.
St. Matthews, Kentucky currently has a PM2.5 concentration of 9.886 μg/m3.
St. Matthews, Kentucky currently has a PM10 concentration of 21.028 μg/m3.
The current carbon monoxide (CO) level in St. Matthews, Kentucky is 0.969 ppm.
The current sulfur dioxide (SO2) concentration in St. Matthews, Kentucky is 0.619 ppb.
St. Matthews, Kentucky currently has an ozone (O3) concentration of 8.144 ppm.
The current level of nitrogen dioxide (NO2) in St. Matthews, Kentucky is 15.27 ppb.
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