Stay updated with real-time air quality in Lower 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)
22
Good
Lower Allen, Pennsylvania
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.19 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.90 μg/m³
0
55
155
255
425
605+
19.30 ppb
0
55
71
86
201
201+
0.21 ppb
0
36
76
186
605
1005+
7.65 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Lower Allen, Pennsylvania
Lower Allen, Pennsylvania
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AQI 23
Good
2.93μg/m³
PM2.5
12.18μg/m³
PM10
25.01ppb
O3
0.22ppb
SO2
4.78ppb
NO2
0.16ppm
CO
AQI 23
Good
2.95μg/m³
PM2.5
12.28μg/m³
PM10
25.00ppb
O3
0.22ppb
SO2
4.80ppb
NO2
0.16ppm
CO
AQI 23
Good
2.98μg/m³
PM2.5
12.39μg/m³
PM10
25.21ppb
O3
0.21ppb
SO2
4.80ppb
NO2
0.16ppm
CO
AQI 23
Good
2.98μg/m³
PM2.5
12.43μg/m³
PM10
25.26ppb
O3
0.21ppb
SO2
4.79ppb
NO2
0.16ppm
CO
AQI 23
Good
2.96μg/m³
PM2.5
12.38μg/m³
PM10
25.00ppb
O3
0.22ppb
SO2
4.80ppb
NO2
0.16ppm
CO
AQI 24
Good
3.20μg/m³
PM2.5
13.79μg/m³
PM10
25.55ppb
O3
0.16ppb
SO2
6.34ppb
NO2
0.16ppm
CO
The air quality data for Pennsylvania, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Lower Allen, Pennsylvania are available every hour.
Lower Allen, Pennsylvania experienced its worst air quality at 02:00:00, 2025-10-20.
The best air quality in Lower Allen, Pennsylvania was observed at 02:00:00 on 2025-10-20.
The air quality in Lower Allen, Pennsylvania right now is Good, with an AQI of 19.
In Lower Allen, Pennsylvania, O3 is the most frequently found pollutant.
When air quality in Lower Allen, Pennsylvania is compromised, staying indoors and wearing a mask can reduce health risks.
Lower Allen, Pennsylvania currently has a PM2.5 concentration of 3.375 μg/m3.
Lower Allen, Pennsylvania currently has a PM10 concentration of 15.155 μg/m3.
The current carbon monoxide (CO) level in Lower Allen, Pennsylvania is 0.328 ppm.
The current sulfur dioxide (SO2) concentration in Lower Allen, Pennsylvania is 0.2 ppb.
Lower Allen, Pennsylvania currently has an ozone (O3) concentration of 21.414 ppm.
The current level of nitrogen dioxide (NO2) in Lower Allen, Pennsylvania is 5.608 ppb.
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