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)
64
Moderate
South Union, Pennsylvania
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
15.70 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
70.02 μg/m³
0
55
155
255
425
605+
36.11 ppb
0
55
71
86
201
201+
1.08 ppb
0
36
76
186
605
1005+
5.44 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
South Union, Pennsylvania
South Union, Pennsylvania
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AQI 67
Moderate
18.45μg/m³
PM2.5
68.67μg/m³
PM10
30.48ppb
O3
1.22ppb
SO2
6.73ppb
NO2
0.34ppm
CO
AQI 69
Moderate
18.94μg/m³
PM2.5
60.63μg/m³
PM10
38.09ppb
O3
1.27ppb
SO2
6.22ppb
NO2
0.34ppm
CO
AQI 67
Moderate
18.01μg/m³
PM2.5
79.63μg/m³
PM10
30.87ppb
O3
1.40ppb
SO2
7.07ppb
NO2
0.34ppm
CO
AQI 69
Moderate
18.82μg/m³
PM2.5
56.08μg/m³
PM10
38.00ppb
O3
1.26ppb
SO2
6.07ppb
NO2
0.34ppm
CO
AQI 69
Moderate
18.78μg/m³
PM2.5
83.10μg/m³
PM10
29.54ppb
O3
1.44ppb
SO2
6.17ppb
NO2
0.35ppm
CO
AQI 69
Moderate
19.17μg/m³
PM2.5
85.43μg/m³
PM10
39.15ppb
O3
1.41ppb
SO2
8.58ppb
NO2
0.30ppm
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 07:00:00, 2025-06-05.
The best air quality in South Union, Pennsylvania was observed at 05:00:00 on 2025-06-06.
The air quality in South Union, Pennsylvania right now is Moderate, with an AQI of 64.
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 15.697 μg/m3.
South Union, Pennsylvania currently has a PM10 concentration of 70.019 μg/m3.
The current carbon monoxide (CO) level in South Union, Pennsylvania is 0.341 ppm.
The current sulfur dioxide (SO2) concentration in South Union, Pennsylvania is 1.077 ppb.
South Union, Pennsylvania currently has an ozone (O3) concentration of 36.111 ppm.
The current level of nitrogen dioxide (NO2) in South Union, Pennsylvania is 5.436 ppb.
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