Stay updated with real-time air quality in South Fayette, Pennsylvania 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
South Fayette, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
57.66 μg/m³
0
55
155
255
425
605+
24.07 ppb
0
55
71
86
201
201+
1.49 ppb
0
36
76
186
605
1005+
8.69 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
South Fayette, Pennsylvania
South Fayette, Pennsylvania
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AQI 58
Moderate
12.97μg/m³
PM2.5
58.86μg/m³
PM10
21.79ppb
O3
1.48ppb
SO2
8.75ppb
NO2
0.28ppm
CO
AQI 60
Moderate
14.11μg/m³
PM2.5
55.80μg/m³
PM10
19.30ppb
O3
1.44ppb
SO2
12.32ppb
NO2
0.28ppm
CO
AQI 58
Moderate
12.59μg/m³
PM2.5
57.35μg/m³
PM10
24.57ppb
O3
1.49ppb
SO2
8.63ppb
NO2
0.28ppm
CO
AQI 58
Moderate
12.73μg/m³
PM2.5
57.35μg/m³
PM10
19.02ppb
O3
1.44ppb
SO2
12.32ppb
NO2
0.28ppm
CO
AQI 60
Moderate
13.50μg/m³
PM2.5
60.82μg/m³
PM10
20.07ppb
O3
1.44ppb
SO2
10.88ppb
NO2
0.29ppm
CO
AQI 60
Moderate
13.57μg/m³
PM2.5
57.38μg/m³
PM10
19.82ppb
O3
1.41ppb
SO2
11.09ppb
NO2
0.29ppm
CO
Air quality measurements for Pennsylvania, 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 South Fayette, Pennsylvania is updated on an hourly basis.
The worst air quality in South Fayette, Pennsylvania was recorded at 07:00:00 on 2025-12-07.
The best air quality in South Fayette, Pennsylvania was recorded at 03:00:00 on 2025-12-06.
The real-time air quality index in South Fayette, Pennsylvania is 58, currently categorized as Moderate.
The most common pollutant in South Fayette, Pennsylvania is PM2.5.
If the air quality in South Fayette, Pennsylvania is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in South Fayette, Pennsylvania at present are 12.669 μg/m3.
The current PM10 levels in South Fayette, Pennsylvania are 57.661 μg/m3.
The current carbon monoxide (CO) level in South Fayette, Pennsylvania is 0.28 ppm.
The current sulfur dioxide (SO2) levels in South Fayette, Pennsylvania are 1.49 ppb.
The current ozone (O3) levels at South Fayette, Pennsylvania is 24.069 ppm.
The current nitrogen dioxide (NO2) levels at South Fayette, Pennsylvania is 8.689 ppb.
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