Stay updated with real-time air quality in Marlton, Maryland 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)
38
Good
Marlton, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.48 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
39.33 μg/m³
0
55
155
255
425
605+
28.87 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
4.62 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Marlton, Maryland
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AQI 54
Moderate
11.01μg/m³
PM2.5
47.35μg/m³
PM10
29.34ppb
O3
0.37ppb
SO2
4.17ppb
NO2
0.19ppm
CO
AQI 52
Moderate
9.94μg/m³
PM2.5
40.24μg/m³
PM10
31.13ppb
O3
0.33ppb
SO2
4.17ppb
NO2
0.17ppm
CO
AQI 52
Moderate
10.20μg/m³
PM2.5
42.40μg/m³
PM10
29.92ppb
O3
0.34ppb
SO2
4.55ppb
NO2
0.18ppm
CO
AQI 52
Moderate
10.49μg/m³
PM2.5
25.00μg/m³
PM10
27.59ppb
O3
0.40ppb
SO2
3.91ppb
NO2
0.19ppm
CO
AQI 49
Good
9.24μg/m³
PM2.5
30.51μg/m³
PM10
28.31ppb
O3
0.40ppb
SO2
3.78ppb
NO2
0.18ppm
CO
AQI 56
Moderate
11.56μg/m³
PM2.5
51.30μg/m³
PM10
27.75ppb
O3
0.38ppb
SO2
4.31ppb
NO2
0.20ppm
CO
Air quality measurements for Maryland, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Marlton, Maryland is updated on an hourly basis.
The worst air quality in Marlton, Maryland was recorded at 08:00:00 on 2026-03-11.
The best air quality in Marlton, Maryland was recorded at 01:00:00 on 2026-03-12.
The real-time air quality index in Marlton, Maryland is 52, currently categorized as Moderate.
The most common pollutant in Marlton, Maryland is PM2.5.
If the air quality in Marlton, Maryland is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Marlton, Maryland at present are 9.89 μg/m3.
The current PM10 levels in Marlton, Maryland are 41.526 μg/m3.
The current carbon monoxide (CO) level in Marlton, Maryland is 0.118 ppm.
The current sulfur dioxide (SO2) levels in Marlton, Maryland are 0.391 ppb.
The current ozone (O3) levels at Marlton, Maryland is 30.789 ppm.
The current nitrogen dioxide (NO2) levels at Marlton, Maryland is 3.463 ppb.
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