Stay updated with real-time air quality in Winchester, 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)
40
Good
Winchester, Kentucky
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.27 μg/m³
0
55
155
255
425
605+
42.55 ppb
0
55
71
86
201
201+
5.23 ppb
0
36
76
186
605
1005+
6.59 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Winchester, Kentucky
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AQI 27
Good
5.24μg/m³
PM2.5
23.16μg/m³
PM10
19.17ppb
O3
1.18ppb
SO2
16.22ppb
NO2
0.42ppm
CO
AQI 27
Good
5.49μg/m³
PM2.5
26.45μg/m³
PM10
16.97ppb
O3
1.15ppb
SO2
14.39ppb
NO2
0.41ppm
CO
AQI 33
Good
5.51μg/m³
PM2.5
24.10μg/m³
PM10
18.79ppb
O3
1.16ppb
SO2
16.21ppb
NO2
0.41ppm
CO
AQI 33
Good
5.89μg/m³
PM2.5
26.90μg/m³
PM10
14.12ppb
O3
1.15ppb
SO2
16.22ppb
NO2
0.41ppm
CO
AQI 27
Good
5.44μg/m³
PM2.5
24.25μg/m³
PM10
17.38ppb
O3
1.17ppb
SO2
16.20ppb
NO2
0.41ppm
CO
AQI 27
Good
5.16μg/m³
PM2.5
22.87μg/m³
PM10
18.42ppb
O3
1.14ppb
SO2
14.25ppb
NO2
0.41ppm
CO
Air quality measurements for Kentucky, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Winchester, Kentucky is updated on an hourly basis.
The worst air quality in Winchester, Kentucky was recorded at 10:00:00 on 2025-09-02.
The best air quality in Winchester, Kentucky was recorded at 11:00:00 on 2025-09-03.
The real-time air quality index in Winchester, Kentucky is 27, currently categorized as Good.
The most common pollutant in Winchester, Kentucky is PM2.5.
If the air quality in Winchester, Kentucky is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Winchester, Kentucky at present are 5.395 μg/m3.
The current PM10 levels in Winchester, Kentucky are 24.064 μg/m3.
The current carbon monoxide (CO) level in Winchester, Kentucky is 0.334 ppm.
The current sulfur dioxide (SO2) levels in Winchester, Kentucky are 1.509 ppb.
The current ozone (O3) levels at Winchester, Kentucky is 13.768 ppm.
The current nitrogen dioxide (NO2) levels at Winchester, Kentucky is 14.512 ppb.
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