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)
54
Moderate
South Fayette, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.76 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.96 μg/m³
0
55
155
255
425
605+
56.30 ppb
0
55
71
86
201
201+
1.13 ppb
0
36
76
186
605
1005+
4.02 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
South Fayette, Pennsylvania
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AQI 49
Good
8.01μg/m³
PM2.5
35.41μg/m³
PM10
53.20ppb
O3
1.12ppb
SO2
4.00ppb
NO2
0.21ppm
CO
AQI 43
Good
7.03μg/m³
PM2.5
35.71μg/m³
PM10
45.86ppb
O3
1.11ppb
SO2
3.99ppb
NO2
0.23ppm
CO
AQI 58
Moderate
7.78μg/m³
PM2.5
33.97μg/m³
PM10
57.24ppb
O3
1.13ppb
SO2
4.03ppb
NO2
0.20ppm
CO
AQI 43
Good
6.77μg/m³
PM2.5
23.85μg/m³
PM10
46.12ppb
O3
1.12ppb
SO2
4.01ppb
NO2
0.22ppm
CO
AQI 41
Good
6.11μg/m³
PM2.5
27.16μg/m³
PM10
43.83ppb
O3
1.11ppb
SO2
3.90ppb
NO2
0.22ppm
CO
AQI 44
Good
6.87μg/m³
PM2.5
35.32μg/m³
PM10
47.78ppb
O3
1.10ppb
SO2
3.50ppb
NO2
0.23ppm
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 11:00:00 on 2026-03-15.
The best air quality in South Fayette, Pennsylvania was recorded at 11:00:00 on 2026-03-15.
The real-time air quality index in South Fayette, Pennsylvania is 54, currently categorized as Moderate.
The most common pollutant in South Fayette, Pennsylvania is O3.
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 7.761 μg/m3.
The current PM10 levels in South Fayette, Pennsylvania are 33.96 μg/m3.
The current carbon monoxide (CO) level in South Fayette, Pennsylvania is 0.207 ppm.
The current sulfur dioxide (SO2) levels in South Fayette, Pennsylvania are 1.125 ppb.
The current ozone (O3) levels at South Fayette, Pennsylvania is 56.303 ppm.
The current nitrogen dioxide (NO2) levels at South Fayette, Pennsylvania is 4.016 ppb.
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