Stay updated with real-time air quality in South Middleton, 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)
27
Good
South Middleton, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.05 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.32 μg/m³
0
55
155
255
425
605+
27.26 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
9.88 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
South Middleton, Pennsylvania
South Middleton, Pennsylvania
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AQI 27
Good
5.06μg/m³
PM2.5
21.88μg/m³
PM10
29.41ppb
O3
0.31ppb
SO2
6.27ppb
NO2
0.24ppm
CO
AQI 27
Good
5.04μg/m³
PM2.5
21.82μg/m³
PM10
29.34ppb
O3
0.32ppb
SO2
6.27ppb
NO2
0.24ppm
CO
AQI 30
Good
5.27μg/m³
PM2.5
25.47μg/m³
PM10
31.53ppb
O3
0.32ppb
SO2
6.46ppb
NO2
0.24ppm
CO
AQI 27
Good
5.00μg/m³
PM2.5
21.54μg/m³
PM10
22.86ppb
O3
0.39ppb
SO2
6.46ppb
NO2
0.24ppm
CO
AQI 29
Good
5.09μg/m³
PM2.5
23.29μg/m³
PM10
30.53ppb
O3
0.32ppb
SO2
6.43ppb
NO2
0.23ppm
CO
AQI 27
Good
4.98μg/m³
PM2.5
21.42μg/m³
PM10
22.56ppb
O3
0.40ppb
SO2
6.46ppb
NO2
0.24ppm
CO
Air quality data and pollutant measurements for Pennsylvania, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for South Middleton, Pennsylvania is updated every hour.
The worst air quality in South Middleton, Pennsylvania in the last 24 hours was observed at 06:00:00 on 2026-06-07.
In the last 24 hrs, the best air quality in South Middleton, Pennsylvania was observed at 09:00:00 on 2026-06-08.
The current air quality in South Middleton, Pennsylvania is 27, categorized as Good based on real-time data.
The most common pollutant in South Middleton, Pennsylvania is PM2.5.
If the air quality in South Middleton, Pennsylvania is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at South Middleton, Pennsylvania is 5.054 μg/m3.
The current PM10 concentration at South Middleton, Pennsylvania is 22.316 μg/m3.
The current carbon monoxide (CO) concentration at South Middleton, Pennsylvania is 0.199 ppm.
The current sulfur dioxide (SO2) concentration at South Middleton, Pennsylvania is 0.424 ppb.
The current ozone (O3) concentration at South Middleton, Pennsylvania is 27.264 ppm.
The current nitrogen dioxide (NO2) concentration at South Middleton, Pennsylvania is 9.885 ppb.
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