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
6.11 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
22.87 μg/m³
0
55
155
255
425
605+
18.05 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
7.78 ppb
0
54
101
361
1250
2050+
0.45 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Cheltenham, Pennsylvania
Cheltenham, Pennsylvania
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AQI 22
Good
4.49μg/m³
PM2.5
21.94μg/m³
PM10
14.63ppb
O3
0.68ppb
SO2
8.02ppb
NO2
0.40ppm
CO
AQI 22
Good
4.48μg/m³
PM2.5
20.06μg/m³
PM10
10.93ppb
O3
0.66ppb
SO2
7.52ppb
NO2
0.38ppm
CO
AQI 22
Good
4.43μg/m³
PM2.5
15.20μg/m³
PM10
11.54ppb
O3
0.65ppb
SO2
11.42ppb
NO2
0.40ppm
CO
AQI 22
Good
4.48μg/m³
PM2.5
20.06μg/m³
PM10
10.93ppb
O3
0.66ppb
SO2
7.52ppb
NO2
0.38ppm
CO
AQI 27
Good
5.24μg/m³
PM2.5
23.28μg/m³
PM10
10.88ppb
O3
0.64ppb
SO2
8.20ppb
NO2
0.36ppm
CO
AQI 33
Good
5.76μg/m³
PM2.5
22.52μg/m³
PM10
16.14ppb
O3
0.70ppb
SO2
10.79ppb
NO2
0.46ppm
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 2026-09-07.
In the last 24 hours, the best air quality in Cheltenham, Pennsylvania was observed at 12:00:00 on 2026-09-07.
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 6.113 μg/m3.
The PM10 concentration in Cheltenham, Pennsylvania is 22.868 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Cheltenham, Pennsylvania is 0.445 ppm.
Currently, Cheltenham, Pennsylvania has a sulfur dioxide (SO2) concentration of 0.713 ppb.
The current ozone (O3) level in Cheltenham, Pennsylvania at the moment is 18.045 ppm.
Nitrogen dioxide (NO2) level in Cheltenham, Pennsylvania at the moment is 7.782 ppb.
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