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)
22
Good
Marlton, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.33 μg/m³
0
55
155
255
425
605+
5.36 ppb
0
55
71
86
201
201+
0.29 ppb
0
36
76
186
605
1005+
9.90 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Marlton, Maryland
Marlton, Maryland
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AQI 22
Good
4.29μg/m³
PM2.5
15.79μg/m³
PM10
6.74ppb
O3
0.29ppb
SO2
10.95ppb
NO2
0.28ppm
CO
AQI 22
Good
3.86μg/m³
PM2.5
10.67μg/m³
PM10
4.34ppb
O3
0.28ppb
SO2
9.33ppb
NO2
0.26ppm
CO
AQI 22
Good
4.22μg/m³
PM2.5
13.98μg/m³
PM10
5.35ppb
O3
0.28ppb
SO2
10.38ppb
NO2
0.28ppm
CO
AQI 27
Good
5.01μg/m³
PM2.5
12.17μg/m³
PM10
7.52ppb
O3
0.30ppb
SO2
7.59ppb
NO2
0.27ppm
CO
AQI 22
Good
3.79μg/m³
PM2.5
9.23μg/m³
PM10
7.59ppb
O3
0.30ppb
SO2
5.08ppb
NO2
0.27ppm
CO
AQI 27
Good
4.59μg/m³
PM2.5
19.24μg/m³
PM10
8.17ppb
O3
0.30ppb
SO2
12.03ppb
NO2
0.29ppm
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 2026-09-07.
The best air quality in Marlton, Maryland was recorded at 01:00:00 on 2026-09-06.
The real-time air quality index in Marlton, Maryland is 22, currently categorized as Good.
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 3.904 μg/m3.
The current PM10 levels in Marlton, Maryland are 12.333 μg/m3.
The current carbon monoxide (CO) level in Marlton, Maryland is 0.273 ppm.
The current sulfur dioxide (SO2) levels in Marlton, Maryland are 0.286 ppb.
The current ozone (O3) levels at Marlton, Maryland is 5.361 ppm.
The current nitrogen dioxide (NO2) levels at Marlton, Maryland is 9.901 ppb.
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