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)
41
Good
South Middleton, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.21 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.61 μg/m³
0
55
155
255
425
605+
44.40 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
1.45 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
South Middleton, Pennsylvania
Scroll To Air Quality MapLoading...
AQI 43
Good
3.48μg/m³
PM2.5
15.85μg/m³
PM10
45.99ppb
O3
0.31ppb
SO2
1.26ppb
NO2
0.23ppm
CO
AQI 43
Good
3.47μg/m³
PM2.5
15.79μg/m³
PM10
45.95ppb
O3
0.31ppb
SO2
1.26ppb
NO2
0.23ppm
CO
AQI 42
Good
3.60μg/m³
PM2.5
18.92μg/m³
PM10
45.11ppb
O3
0.27ppb
SO2
1.30ppb
NO2
0.23ppm
CO
AQI 40
Good
3.61μg/m³
PM2.5
16.08μg/m³
PM10
42.93ppb
O3
0.26ppb
SO2
1.36ppb
NO2
0.23ppm
CO
AQI 43
Good
3.07μg/m³
PM2.5
12.03μg/m³
PM10
45.70ppb
O3
0.32ppb
SO2
1.88ppb
NO2
0.22ppm
CO
AQI 40
Good
3.61μg/m³
PM2.5
16.08μg/m³
PM10
42.66ppb
O3
0.26ppb
SO2
1.36ppb
NO2
0.23ppm
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 09:00:00 on 2026-03-09.
In the last 24 hrs, the best air quality in South Middleton, Pennsylvania was observed at 04:00:00 on 2026-03-09.
The current air quality in South Middleton, Pennsylvania is 43, categorized as Good 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 3.419 μg/m3.
The current PM10 concentration at South Middleton, Pennsylvania is 15.44 μg/m3.
The current carbon monoxide (CO) concentration at South Middleton, Pennsylvania is 0.228 ppm.
The current sulfur dioxide (SO2) concentration at South Middleton, Pennsylvania is 0.304 ppb.
The current ozone (O3) concentration at South Middleton, Pennsylvania is 45.686 ppm.
The current nitrogen dioxide (NO2) concentration at South Middleton, Pennsylvania is 1.268 ppb.
All Rights Reserved © Ambee Inc. 2025