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

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.54 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.52 μg/m³
0
55
155
255
425
605+
29.03 ppb
0
55
71
86
201
201+
0.83 ppb
0
36
76
186
605
1005+
3.19 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Chestnuthill, Pennsylvania
Chestnuthill, Pennsylvania
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AQI 31
Good
3.34μg/m³
PM2.5
15.14μg/m³
PM10
32.67ppb
O3
0.90ppb
SO2
3.60ppb
NO2
0.18ppm
CO
AQI 31
Good
3.33μg/m³
PM2.5
14.68μg/m³
PM10
33.50ppb
O3
0.81ppb
SO2
3.79ppb
NO2
0.18ppm
CO
AQI 30
Good
3.33μg/m³
PM2.5
15.02μg/m³
PM10
32.34ppb
O3
0.91ppb
SO2
3.73ppb
NO2
0.18ppm
CO
AQI 30
Good
3.33μg/m³
PM2.5
15.02μg/m³
PM10
32.34ppb
O3
0.91ppb
SO2
3.73ppb
NO2
0.18ppm
CO
AQI 31
Good
3.23μg/m³
PM2.5
14.17μg/m³
PM10
33.79ppb
O3
0.79ppb
SO2
3.97ppb
NO2
0.18ppm
CO
AQI 31
Good
3.24μg/m³
PM2.5
14.20μg/m³
PM10
33.79ppb
O3
0.79ppb
SO2
3.99ppb
NO2
0.18ppm
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 Chestnuthill, Pennsylvania is updated every hour for accuracy.
In the past 24 hours, the air quality in Chestnuthill, Pennsylvania was at its worst at 01:00:00 on 2026-06-20.
In the last 24 hours, the best air quality in Chestnuthill, Pennsylvania was observed at 07:00:00 on 2026-06-20.
As of now, the AQI in Chestnuthill, Pennsylvania is 31, indicating Good conditions.
Chestnuthill, Pennsylvania air has the highest levels of O3.
Poor air quality in Chestnuthill, Pennsylvania means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Chestnuthill, Pennsylvania are currently 3.342 μg/m3.
The PM10 concentration in Chestnuthill, Pennsylvania is 15.137 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Chestnuthill, Pennsylvania is 0.178 ppm.
Currently, Chestnuthill, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.9 ppb.
The current ozone (O3) level in Chestnuthill, Pennsylvania at the moment is 32.668 ppm.
Nitrogen dioxide (NO2) level in Chestnuthill, Pennsylvania at the moment is 3.599 ppb.
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