Stay updated with real-time air quality in South Union, 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)
20
Good
South Union, Pennsylvania
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.74 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.26 μg/m³
0
55
155
255
425
605+
21.75 ppb
0
55
71
86
201
201+
1.14 ppb
0
36
76
186
605
1005+
10.26 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
South Union, Pennsylvania
South Union, Pennsylvania
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AQI 16
Good
3.07μg/m³
PM2.5
13.77μg/m³
PM10
8.94ppb
O3
0.92ppb
SO2
8.11ppb
NO2
0.12ppm
CO
AQI 16
Good
3.08μg/m³
PM2.5
11.97μg/m³
PM10
12.98ppb
O3
1.35ppb
SO2
7.04ppb
NO2
0.13ppm
CO
AQI 11
Good
2.41μg/m³
PM2.5
10.15μg/m³
PM10
11.38ppb
O3
1.55ppb
SO2
9.66ppb
NO2
0.12ppm
CO
AQI 16
Good
3.18μg/m³
PM2.5
12.23μg/m³
PM10
13.16ppb
O3
1.34ppb
SO2
7.08ppb
NO2
0.13ppm
CO
AQI 16
Good
2.56μg/m³
PM2.5
10.52μg/m³
PM10
9.10ppb
O3
1.59ppb
SO2
11.73ppb
NO2
0.12ppm
CO
AQI 16
Good
2.64μg/m³
PM2.5
11.12μg/m³
PM10
8.16ppb
O3
1.30ppb
SO2
8.16ppb
NO2
0.11ppm
CO
The air quality data for Pennsylvania, 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 South Union, Pennsylvania are available every hour.
South Union, Pennsylvania experienced its worst air quality at 05:00:00, 2025-10-15.
The best air quality in South Union, Pennsylvania was observed at 08:00:00 on 2025-10-16.
The air quality in South Union, Pennsylvania right now is Good, with an AQI of 16.
In South Union, Pennsylvania, PM2.5 is the most frequently found pollutant.
When air quality in South Union, Pennsylvania is compromised, staying indoors and wearing a mask can reduce health risks.
South Union, Pennsylvania currently has a PM2.5 concentration of 2.62 μg/m3.
South Union, Pennsylvania currently has a PM10 concentration of 11.092 μg/m3.
The current carbon monoxide (CO) level in South Union, Pennsylvania is 0.125 ppm.
The current sulfur dioxide (SO2) concentration in South Union, Pennsylvania is 1.274 ppb.
South Union, Pennsylvania currently has an ozone (O3) concentration of 10.186 ppm.
The current level of nitrogen dioxide (NO2) in South Union, Pennsylvania is 5.865 ppb.
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