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)
22
Good
South Middleton, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.16 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.88 μg/m³
0
55
155
255
425
605+
13.42 ppb
0
55
71
86
201
201+
0.23 ppb
0
36
76
186
605
1005+
3.34 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 22
Good
3.64μg/m³
PM2.5
16.62μg/m³
PM10
12.83ppb
O3
0.22ppb
SO2
3.24ppb
NO2
0.26ppm
CO
AQI 22
Good
3.69μg/m³
PM2.5
16.84μg/m³
PM10
13.04ppb
O3
0.22ppb
SO2
3.25ppb
NO2
0.26ppm
CO
AQI 44
Good
7.76μg/m³
PM2.5
36.57μg/m³
PM10
7.08ppb
O3
0.34ppb
SO2
4.42ppb
NO2
0.26ppm
CO
AQI 52
Moderate
9.53μg/m³
PM2.5
42.25μg/m³
PM10
6.87ppb
O3
0.33ppb
SO2
4.19ppb
NO2
0.26ppm
CO
AQI 33
Good
5.78μg/m³
PM2.5
21.70μg/m³
PM10
8.90ppb
O3
0.22ppb
SO2
3.22ppb
NO2
0.26ppm
CO
AQI 52
Moderate
10.03μg/m³
PM2.5
44.46μg/m³
PM10
6.55ppb
O3
0.34ppb
SO2
4.25ppb
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 07:00:00 on 2026-09-07.
In the last 24 hrs, the best air quality in South Middleton, Pennsylvania was observed at 03:00:00 on 2026-09-07.
The current air quality in South Middleton, Pennsylvania is 22, 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 4.164 μg/m3.
The current PM10 concentration at South Middleton, Pennsylvania is 18.883 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 0.228 ppb.
The current ozone (O3) concentration at South Middleton, Pennsylvania is 13.42 ppm.
The current nitrogen dioxide (NO2) concentration at South Middleton, Pennsylvania is 3.34 ppb.
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