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)
26
Good
Cheltenham, Pennsylvania
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.88 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.25 μg/m³
0
55
155
255
425
605+
28.30 ppb
0
55
71
86
201
201+
1.08 ppb
0
36
76
186
605
1005+
9.92 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Cheltenham, Pennsylvania
Cheltenham, Pennsylvania
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AQI 26
Good
3.85μg/m³
PM2.5
15.17μg/m³
PM10
27.82ppb
O3
0.97ppb
SO2
13.36ppb
NO2
0.30ppm
CO
AQI 26
Good
3.44μg/m³
PM2.5
10.46μg/m³
PM10
28.10ppb
O3
0.94ppb
SO2
12.40ppb
NO2
0.31ppm
CO
AQI 27
Good
2.49μg/m³
PM2.5
11.19μg/m³
PM10
28.82ppb
O3
0.94ppb
SO2
12.06ppb
NO2
0.30ppm
CO
AQI 26
Good
3.44μg/m³
PM2.5
10.46μg/m³
PM10
28.10ppb
O3
0.94ppb
SO2
12.40ppb
NO2
0.31ppm
CO
AQI 26
Good
2.94μg/m³
PM2.5
12.88μg/m³
PM10
27.59ppb
O3
0.91ppb
SO2
10.32ppb
NO2
0.33ppm
CO
AQI 28
Good
5.04μg/m³
PM2.5
21.15μg/m³
PM10
29.93ppb
O3
1.02ppb
SO2
15.94ppb
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 2026-05-20.
In the last 24 hours, the best air quality in Cheltenham, Pennsylvania was observed at 11:00:00 on 2026-05-21.
As of now, the AQI in Cheltenham, Pennsylvania is 26, indicating Good conditions.
Cheltenham, Pennsylvania air has the highest levels of O3.
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 3.88 μg/m3.
The PM10 concentration in Cheltenham, Pennsylvania is 16.254 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Cheltenham, Pennsylvania is 0.316 ppm.
Currently, Cheltenham, Pennsylvania has a sulfur dioxide (SO2) concentration of 1.085 ppb.
The current ozone (O3) level in Cheltenham, Pennsylvania at the moment is 28.297 ppm.
Nitrogen dioxide (NO2) level in Cheltenham, Pennsylvania at the moment is 9.918 ppb.
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