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)
38
Good
South Middleton, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.07 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
31.73 μg/m³
0
55
155
255
425
605+
25.78 ppb
0
55
71
86
201
201+
2.77 ppb
0
36
76
186
605
1005+
12.17 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
South Middleton, Pennsylvania
South Middleton, Pennsylvania
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AQI 58
Moderate
9.03μg/m³
PM2.5
40.40μg/m³
PM10
56.63ppb
O3
0.54ppb
SO2
9.58ppb
NO2
0.25ppm
CO
AQI 58
Moderate
9.00μg/m³
PM2.5
40.13μg/m³
PM10
56.68ppb
O3
0.54ppb
SO2
9.57ppb
NO2
0.25ppm
CO
AQI 52
Moderate
10.23μg/m³
PM2.5
50.79μg/m³
PM10
47.99ppb
O3
0.41ppb
SO2
8.29ppb
NO2
0.25ppm
CO
AQI 49
Good
9.07μg/m³
PM2.5
40.12μg/m³
PM10
51.43ppb
O3
0.48ppb
SO2
10.02ppb
NO2
0.25ppm
CO
AQI 54
Moderate
10.89μg/m³
PM2.5
41.05μg/m³
PM10
52.31ppb
O3
0.55ppb
SO2
9.22ppb
NO2
0.25ppm
CO
AQI 49
Good
9.05μg/m³
PM2.5
39.91μg/m³
PM10
51.22ppb
O3
0.47ppb
SO2
10.03ppb
NO2
0.25ppm
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 2026-04-23.
In the last 24 hrs, the best air quality in South Middleton, Pennsylvania was observed at 06:00:00 on 2026-04-23.
The current air quality in South Middleton, Pennsylvania is 58, categorized as Moderate based on real-time data.
The most common pollutant in South Middleton, Pennsylvania is O3.
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 8.793 μg/m3.
The current PM10 concentration at South Middleton, Pennsylvania is 38.691 μg/m3.
The current carbon monoxide (CO) concentration at South Middleton, Pennsylvania is 0.246 ppm.
The current sulfur dioxide (SO2) concentration at South Middleton, Pennsylvania is 0.543 ppb.
The current ozone (O3) concentration at South Middleton, Pennsylvania is 56.696 ppm.
The current nitrogen dioxide (NO2) concentration at South Middleton, Pennsylvania is 9.553 ppb.
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