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)
22
Good
Aston, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.42 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.52 μg/m³
0
55
155
255
425
605+
20.61 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
11.73 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Aston, Pennsylvania
Aston, Pennsylvania
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AQI 33
Good
5.58μg/m³
PM2.5
24.03μg/m³
PM10
13.97ppb
O3
0.47ppb
SO2
6.79ppb
NO2
0.41ppm
CO
AQI 44
Good
7.74μg/m³
PM2.5
34.47μg/m³
PM10
13.08ppb
O3
0.47ppb
SO2
7.28ppb
NO2
0.41ppm
CO
AQI 49
Good
9.15μg/m³
PM2.5
40.91μg/m³
PM10
13.08ppb
O3
0.47ppb
SO2
7.51ppb
NO2
0.41ppm
CO
AQI 33
Good
5.73μg/m³
PM2.5
19.46μg/m³
PM10
13.34ppb
O3
0.47ppb
SO2
5.85ppb
NO2
0.40ppm
CO
AQI 38
Good
7.29μg/m³
PM2.5
32.26μg/m³
PM10
12.14ppb
O3
0.50ppb
SO2
7.79ppb
NO2
0.42ppm
CO
AQI 27
Good
5.44μg/m³
PM2.5
16.47μg/m³
PM10
12.61ppb
O3
0.47ppb
SO2
5.55ppb
NO2
0.41ppm
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 03:00:00 on 2026-10-04.
In the last 24 hours, the best air quality in Aston, Pennsylvania was observed at 02:00:00 on 2026-10-05.
As of now, the AQI in Aston, Pennsylvania is 38, 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 7.252 μg/m3.
The PM10 concentration in Aston, Pennsylvania is 31.391 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 0.576 ppb.
The current ozone (O3) level in Aston, Pennsylvania at the moment is 17.43 ppm.
Nitrogen dioxide (NO2) level in Aston, Pennsylvania at the moment is 6.521 ppb.
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