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)
60
Moderate
South Middleton, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.94 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
62.04 μg/m³
0
55
155
255
425
605+
39.43 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
3.25 ppb
0
54
101
361
1250
2050+
0.26 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 60
Moderate
14.14μg/m³
PM2.5
62.79μg/m³
PM10
38.91ppb
O3
0.34ppb
SO2
3.28ppb
NO2
0.26ppm
CO
AQI 60
Moderate
14.12μg/m³
PM2.5
62.73μg/m³
PM10
38.98ppb
O3
0.34ppb
SO2
3.27ppb
NO2
0.26ppm
CO
AQI 60
Moderate
13.81μg/m³
PM2.5
50.35μg/m³
PM10
38.00ppb
O3
0.26ppb
SO2
3.37ppb
NO2
0.26ppm
CO
AQI 62
Moderate
14.66μg/m³
PM2.5
65.78μg/m³
PM10
39.44ppb
O3
0.26ppb
SO2
3.36ppb
NO2
0.26ppm
CO
AQI 58
Moderate
12.73μg/m³
PM2.5
46.59μg/m³
PM10
37.27ppb
O3
0.26ppb
SO2
3.38ppb
NO2
0.26ppm
CO
AQI 62
Moderate
14.72μg/m³
PM2.5
66.11μg/m³
PM10
39.35ppb
O3
0.26ppb
SO2
3.37ppb
NO2
0.26ppm
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 02:00:00 on 2026-08-12.
In the last 24 hrs, the best air quality in South Middleton, Pennsylvania was observed at 03:00:00 on 2026-08-12.
The current air quality in South Middleton, Pennsylvania is 60, categorized as Moderate 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 13.944 μg/m3.
The current PM10 concentration at South Middleton, Pennsylvania is 62.039 μg/m3.
The current carbon monoxide (CO) concentration at South Middleton, Pennsylvania is 0.257 ppm.
The current sulfur dioxide (SO2) concentration at South Middleton, Pennsylvania is 0.328 ppb.
The current ozone (O3) concentration at South Middleton, Pennsylvania is 39.433 ppm.
The current nitrogen dioxide (NO2) concentration at South Middleton, Pennsylvania is 3.253 ppb.
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