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)
49
Good
Cheltenham, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.10 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.95 μg/m³
0
55
155
255
425
605+
44.62 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
4.33 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 38
Good
5.80μg/m³
PM2.5
23.81μg/m³
PM10
40.84ppb
O3
0.60ppb
SO2
4.97ppb
NO2
0.29ppm
CO
AQI 38
Good
6.31μg/m³
PM2.5
26.03μg/m³
PM10
40.82ppb
O3
0.58ppb
SO2
4.82ppb
NO2
0.30ppm
CO
AQI 38
Good
5.29μg/m³
PM2.5
28.34μg/m³
PM10
40.74ppb
O3
0.56ppb
SO2
4.91ppb
NO2
0.30ppm
CO
AQI 38
Good
6.31μg/m³
PM2.5
26.03μg/m³
PM10
40.82ppb
O3
0.58ppb
SO2
4.82ppb
NO2
0.30ppm
CO
AQI 40
Good
6.58μg/m³
PM2.5
29.10μg/m³
PM10
42.53ppb
O3
0.55ppb
SO2
4.19ppb
NO2
0.31ppm
CO
AQI 44
Good
7.57μg/m³
PM2.5
31.38μg/m³
PM10
43.71ppb
O3
0.60ppb
SO2
5.69ppb
NO2
0.30ppm
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 10:00:00 on 2026-08-18.
In the last 24 hours, the best air quality in Cheltenham, Pennsylvania was observed at 07:00:00 on 2026-08-18.
As of now, the AQI in Cheltenham, Pennsylvania is 49, 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 9.097 μg/m3.
The PM10 concentration in Cheltenham, Pennsylvania is 35.945 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Cheltenham, Pennsylvania is 0.259 ppm.
Currently, Cheltenham, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.559 ppb.
The current ozone (O3) level in Cheltenham, Pennsylvania at the moment is 44.621 ppm.
Nitrogen dioxide (NO2) level in Cheltenham, Pennsylvania at the moment is 4.325 ppb.
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