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

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.77 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.74 μg/m³
0
55
155
255
425
605+
28.96 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
8.79 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Cheltenham, Pennsylvania
Cheltenham, Pennsylvania
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AQI 27
Good
5.29μg/m³
PM2.5
23.05μg/m³
PM10
27.64ppb
O3
0.53ppb
SO2
8.78ppb
NO2
0.27ppm
CO
AQI 27
Good
5.38μg/m³
PM2.5
20.74μg/m³
PM10
28.25ppb
O3
0.52ppb
SO2
8.53ppb
NO2
0.29ppm
CO
AQI 27
Good
5.25μg/m³
PM2.5
22.97μg/m³
PM10
28.20ppb
O3
0.51ppb
SO2
6.58ppb
NO2
0.27ppm
CO
AQI 27
Good
5.38μg/m³
PM2.5
20.74μg/m³
PM10
28.25ppb
O3
0.52ppb
SO2
8.53ppb
NO2
0.29ppm
CO
AQI 33
Good
5.67μg/m³
PM2.5
24.99μg/m³
PM10
28.55ppb
O3
0.53ppb
SO2
8.88ppb
NO2
0.32ppm
CO
AQI 27
Good
5.06μg/m³
PM2.5
20.45μg/m³
PM10
28.02ppb
O3
0.55ppb
SO2
9.17ppb
NO2
0.26ppm
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 Cheltenham, Pennsylvania is updated every hour for accuracy.
In the past 24 hours, the air quality in Cheltenham, Pennsylvania was at its worst at 03:00:00 on 2026-01-25.
In the last 24 hours, the best air quality in Cheltenham, Pennsylvania was observed at 11:00:00 on 2026-01-24.
As of now, the AQI in Cheltenham, Pennsylvania is 33, indicating Good conditions.
Cheltenham, Pennsylvania air has the highest levels of PM2.5.
Poor air quality in Cheltenham, Pennsylvania means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Cheltenham, Pennsylvania are currently 5.77 μg/m3.
The PM10 concentration in Cheltenham, Pennsylvania is 22.742 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Cheltenham, Pennsylvania is 0.264 ppm.
Currently, Cheltenham, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.591 ppb.
The current ozone (O3) level in Cheltenham, Pennsylvania at the moment is 28.963 ppm.
Nitrogen dioxide (NO2) level in Cheltenham, Pennsylvania at the moment is 8.792 ppb.
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