Stay updated with real-time air quality in Aston, 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)
27
Good
Aston, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.83 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.33 μg/m³
0
55
155
255
425
605+
11.32 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
9.37 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Aston, Pennsylvania
Aston, Pennsylvania
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AQI 27
Good
4.50μg/m³
PM2.5
19.50μg/m³
PM10
14.34ppb
O3
0.52ppb
SO2
9.25ppb
NO2
0.37ppm
CO
AQI 27
Good
5.08μg/m³
PM2.5
21.76μg/m³
PM10
13.59ppb
O3
0.53ppb
SO2
9.35ppb
NO2
0.37ppm
CO
AQI 27
Good
5.31μg/m³
PM2.5
22.66μg/m³
PM10
13.98ppb
O3
0.54ppb
SO2
9.31ppb
NO2
0.37ppm
CO
AQI 27
Good
4.61μg/m³
PM2.5
15.37μg/m³
PM10
10.79ppb
O3
0.49ppb
SO2
10.70ppb
NO2
0.36ppm
CO
AQI 27
Good
5.25μg/m³
PM2.5
22.42μg/m³
PM10
12.46ppb
O3
0.56ppb
SO2
8.27ppb
NO2
0.36ppm
CO
AQI 27
Good
4.86μg/m³
PM2.5
21.02μg/m³
PM10
14.51ppb
O3
0.52ppb
SO2
11.50ppb
NO2
0.37ppm
CO
Air quality and pollutant data for Pennsylvania, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Aston, Pennsylvania is updated every hour for accuracy.
In the past 24 hours, the air quality in Aston, Pennsylvania was at its worst at 11:00:00 on 2026-09-07.
In the last 24 hours, the best air quality in Aston, Pennsylvania was observed at 08:00:00 on 2026-09-07.
As of now, the AQI in Aston, Pennsylvania is 27, indicating Good conditions.
Aston, Pennsylvania air has the highest levels of PM2.5.
Poor air quality in Aston, Pennsylvania means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Aston, Pennsylvania are currently 4.827 μg/m3.
The PM10 concentration in Aston, Pennsylvania is 21.327 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Aston, Pennsylvania is 0.349 ppm.
Currently, Aston, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.591 ppb.
The current ozone (O3) level in Aston, Pennsylvania at the moment is 11.319 ppm.
Nitrogen dioxide (NO2) level in Aston, Pennsylvania at the moment is 9.37 ppb.
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