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)
56
Moderate
South Middleton, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.19 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
55.16 μg/m³
0
55
155
255
425
605+
20.78 ppb
0
55
71
86
201
201+
0.72 ppb
0
36
76
186
605
1005+
8.10 ppb
0
54
101
361
1250
2050+
0.44 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 56
Moderate
12.13μg/m³
PM2.5
55.04μg/m³
PM10
20.30ppb
O3
0.68ppb
SO2
7.74ppb
NO2
0.44ppm
CO
AQI 56
Moderate
12.14μg/m³
PM2.5
55.06μg/m³
PM10
20.39ppb
O3
0.69ppb
SO2
7.79ppb
NO2
0.44ppm
CO
AQI 64
Moderate
15.60μg/m³
PM2.5
78.61μg/m³
PM10
18.18ppb
O3
0.81ppb
SO2
9.37ppb
NO2
0.44ppm
CO
AQI 56
Moderate
12.40μg/m³
PM2.5
55.23μg/m³
PM10
18.88ppb
O3
0.81ppb
SO2
9.54ppb
NO2
0.44ppm
CO
AQI 54
Moderate
11.34μg/m³
PM2.5
18.77μg/m³
PM10
18.41ppb
O3
0.84ppb
SO2
8.76ppb
NO2
0.44ppm
CO
AQI 56
Moderate
12.27μg/m³
PM2.5
54.61μg/m³
PM10
18.85ppb
O3
0.81ppb
SO2
9.53ppb
NO2
0.44ppm
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 2025-12-06.
In the last 24 hrs, the best air quality in South Middleton, Pennsylvania was observed at 11:00:00 on 2025-12-07.
The current air quality in South Middleton, Pennsylvania is 56, 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 12.194 μg/m3.
The current PM10 concentration at South Middleton, Pennsylvania is 55.162 μg/m3.
The current carbon monoxide (CO) concentration at South Middleton, Pennsylvania is 0.443 ppm.
The current sulfur dioxide (SO2) concentration at South Middleton, Pennsylvania is 0.721 ppb.
The current ozone (O3) concentration at South Middleton, Pennsylvania is 20.783 ppm.
The current nitrogen dioxide (NO2) concentration at South Middleton, Pennsylvania is 8.101 ppb.
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