Stay updated with real-time air quality in Pennsylvania, USA 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)
27
Good
Pennsylvania, USA
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.07 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.51 μg/m³
0
55
155
255
425
605+
26.02 ppb
0
55
71
86
201
201+
0.46 ppb
0
36
76
186
605
1005+
8.73 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Pennsylvania, USA
Pennsylvania, USA
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City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
---|
AQI 17
Good
3.01μg/m³
PM2.5
11.95μg/m³
PM10
18.33ppb
O3
0.22ppb
SO2
5.95ppb
NO2
0.19ppm
CO
AQI 19
Good
2.55μg/m³
PM2.5
10.92μg/m³
PM10
20.89ppb
O3
0.24ppb
SO2
8.00ppb
NO2
0.26ppm
CO
AQI 16
Good
2.86μg/m³
PM2.5
11.72μg/m³
PM10
17.16ppb
O3
0.37ppb
SO2
5.03ppb
NO2
0.23ppm
CO
AQI 18
Good
3.46μg/m³
PM2.5
13.88μg/m³
PM10
19.31ppb
O3
0.24ppb
SO2
8.06ppb
NO2
0.27ppm
CO
AQI 19
Good
2.88μg/m³
PM2.5
8.04μg/m³
PM10
20.16ppb
O3
0.31ppb
SO2
6.10ppb
NO2
0.22ppm
CO
AQI 27
Good
4.66μg/m³
PM2.5
20.16μg/m³
PM10
11.52ppb
O3
1.50ppb
SO2
7.38ppb
NO2
0.22ppm
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 Pennsylvania, USA is updated every hour.
The worst air quality in Pennsylvania, USA in the last 24 hours was observed at 03:00:00 on 2025-08-30.
In the last 24 hrs, the best air quality in Pennsylvania, USA was observed at 09:00:00 on 2025-08-30.
The current air quality in Pennsylvania, USA is 22, categorized as Good based on real-time data.
The most common pollutant in Pennsylvania, USA is PM2.5.
If the air quality in Pennsylvania, USA is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Pennsylvania, USA is 3.937 μg/m3.
The current PM10 concentration at Pennsylvania, USA is 17.058 μg/m3.
The current carbon monoxide (CO) concentration at Pennsylvania, USA is 0.237 ppm.
The current sulfur dioxide (SO2) concentration at Pennsylvania, USA is 0.626 ppb.
The current ozone (O3) concentration at Pennsylvania, USA is 16.591 ppm.
The current nitrogen dioxide (NO2) concentration at Pennsylvania, USA is 7.534 ppb.
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