Stay updated with real-time air quality in Upper Allen, 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
Upper Allen, Pennsylvania
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
11.56 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
50.16 μg/m³
0
55
155
255
425
605+
13.36 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
8.19 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Upper Allen, Pennsylvania
Upper Allen, Pennsylvania
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AQI 54
Moderate
10.64μg/m³
PM2.5
47.53μg/m³
PM10
22.25ppb
O3
0.23ppb
SO2
7.96ppb
NO2
0.35ppm
CO
AQI 52
Moderate
10.15μg/m³
PM2.5
45.31μg/m³
PM10
22.48ppb
O3
0.23ppb
SO2
8.11ppb
NO2
0.35ppm
CO
AQI 52
Moderate
9.57μg/m³
PM2.5
42.69μg/m³
PM10
22.57ppb
O3
0.23ppb
SO2
8.31ppb
NO2
0.35ppm
CO
AQI 54
Moderate
11.02μg/m³
PM2.5
49.19μg/m³
PM10
22.08ppb
O3
0.23ppb
SO2
7.84ppb
NO2
0.35ppm
CO
AQI 66
Moderate
17.49μg/m³
PM2.5
77.34μg/m³
PM10
21.45ppb
O3
0.23ppb
SO2
4.94ppb
NO2
0.36ppm
CO
AQI 52
Moderate
9.59μg/m³
PM2.5
42.76μg/m³
PM10
22.61ppb
O3
0.23ppb
SO2
8.29ppb
NO2
0.35ppm
CO
Air quality measurements for Pennsylvania, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Upper Allen, Pennsylvania is updated on an hourly basis.
The worst air quality in Upper Allen, Pennsylvania was recorded at 06:00:00 on 2025-06-06.
The best air quality in Upper Allen, Pennsylvania was recorded at 06:00:00 on 2025-06-07.
The real-time air quality index in Upper Allen, Pennsylvania is 56, currently categorized as Moderate.
The most common pollutant in Upper Allen, Pennsylvania is PM2.5.
If the air quality in Upper Allen, Pennsylvania is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Upper Allen, Pennsylvania at present are 11.557 μg/m3.
The current PM10 levels in Upper Allen, Pennsylvania are 50.155 μg/m3.
The current carbon monoxide (CO) level in Upper Allen, Pennsylvania is 0.355 ppm.
The current sulfur dioxide (SO2) levels in Upper Allen, Pennsylvania are 0.224 ppb.
The current ozone (O3) levels at Upper Allen, Pennsylvania is 13.355 ppm.
The current nitrogen dioxide (NO2) levels at Upper Allen, Pennsylvania is 8.191 ppb.
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