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)
33
Good
Aston, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.86 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.76 μg/m³
0
55
155
255
425
605+
36.24 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
4.13 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Aston, Pennsylvania
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AQI 33
Good
3.77μg/m³
PM2.5
16.32μg/m³
PM10
36.32ppb
O3
0.34ppb
SO2
4.10ppb
NO2
0.31ppm
CO
AQI 31
Good
4.07μg/m³
PM2.5
18.07μg/m³
PM10
33.91ppb
O3
0.34ppb
SO2
4.92ppb
NO2
0.30ppm
CO
AQI 30
Good
4.16μg/m³
PM2.5
18.74μg/m³
PM10
31.63ppb
O3
0.34ppb
SO2
5.38ppb
NO2
0.31ppm
CO
AQI 39
Good
3.72μg/m³
PM2.5
14.85μg/m³
PM10
41.90ppb
O3
0.27ppb
SO2
2.77ppb
NO2
0.30ppm
CO
AQI 33
Good
4.51μg/m³
PM2.5
20.05μg/m³
PM10
35.84ppb
O3
0.45ppb
SO2
6.46ppb
NO2
0.33ppm
CO
AQI 40
Good
4.15μg/m³
PM2.5
17.42μg/m³
PM10
43.40ppb
O3
0.48ppb
SO2
4.54ppb
NO2
0.31ppm
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 02:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in Aston, Pennsylvania was observed at 03:00:00 on 2026-03-09.
As of now, the AQI in Aston, Pennsylvania is 33, indicating Good conditions.
Aston, Pennsylvania air has the highest levels of O3.
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 3.858 μg/m3.
The PM10 concentration in Aston, Pennsylvania is 16.759 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Aston, Pennsylvania is 0.305 ppm.
Currently, Aston, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.327 ppb.
The current ozone (O3) level in Aston, Pennsylvania at the moment is 36.245 ppm.
Nitrogen dioxide (NO2) level in Aston, Pennsylvania at the moment is 4.135 ppb.
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