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)
54
Moderate
Upper Allen, Pennsylvania
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
10.81 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.53 μg/m³
0
55
155
255
425
605+
10.54 ppb
0
55
71
86
201
201+
0.23 ppb
0
36
76
186
605
1005+
7.64 ppb
0
54
101
361
1250
2050+
0.30 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 22
Good
4.17μg/m³
PM2.5
18.76μg/m³
PM10
19.44ppb
O3
0.21ppb
SO2
7.65ppb
NO2
0.30ppm
CO
AQI 22
Good
4.19μg/m³
PM2.5
18.90μg/m³
PM10
19.30ppb
O3
0.21ppb
SO2
7.65ppb
NO2
0.30ppm
CO
AQI 22
Good
4.23μg/m³
PM2.5
19.06μg/m³
PM10
19.03ppb
O3
0.22ppb
SO2
7.65ppb
NO2
0.30ppm
CO
AQI 22
Good
4.15μg/m³
PM2.5
18.66μg/m³
PM10
19.55ppb
O3
0.21ppb
SO2
7.65ppb
NO2
0.30ppm
CO
AQI 19
Good
3.49μg/m³
PM2.5
15.79μg/m³
PM10
21.25ppb
O3
0.20ppb
SO2
7.54ppb
NO2
0.31ppm
CO
AQI 22
Good
4.21μg/m³
PM2.5
18.98μg/m³
PM10
19.06ppb
O3
0.22ppb
SO2
7.64ppb
NO2
0.30ppm
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 04:00:00 on 2025-10-21.
The best air quality in Upper Allen, Pennsylvania was recorded at 10:00:00 on 2025-10-20.
The real-time air quality index in Upper Allen, Pennsylvania is 54, 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 10.811 μg/m3.
The current PM10 levels in Upper Allen, Pennsylvania are 15.532 μg/m3.
The current carbon monoxide (CO) level in Upper Allen, Pennsylvania is 0.305 ppm.
The current sulfur dioxide (SO2) levels in Upper Allen, Pennsylvania are 0.23 ppb.
The current ozone (O3) levels at Upper Allen, Pennsylvania is 10.539 ppm.
The current nitrogen dioxide (NO2) levels at Upper Allen, Pennsylvania is 7.642 ppb.
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