Stay updated with real-time air quality in White Marsh, 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)
56
Moderate
White Marsh, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.82 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
53.08 μg/m³
0
55
155
255
425
605+
20.64 ppb
0
55
71
86
201
201+
2.37 ppb
0
36
76
186
605
1005+
13.79 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
White Marsh, Maryland
White Marsh, Maryland
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AQI 56
Moderate
12.24μg/m³
PM2.5
39.54μg/m³
PM10
55.90ppb
O3
0.53ppb
SO2
13.65ppb
NO2
0.29ppm
CO
AQI 54
Moderate
11.29μg/m³
PM2.5
37.76μg/m³
PM10
56.44ppb
O3
0.50ppb
SO2
13.54ppb
NO2
0.30ppm
CO
AQI 58
Moderate
12.84μg/m³
PM2.5
36.05μg/m³
PM10
56.69ppb
O3
0.56ppb
SO2
13.63ppb
NO2
0.29ppm
CO
AQI 58
Moderate
12.51μg/m³
PM2.5
31.74μg/m³
PM10
57.13ppb
O3
0.57ppb
SO2
13.45ppb
NO2
0.29ppm
CO
AQI 58
Moderate
12.84μg/m³
PM2.5
36.05μg/m³
PM10
56.69ppb
O3
0.56ppb
SO2
13.63ppb
NO2
0.29ppm
CO
AQI 58
Moderate
13.46μg/m³
PM2.5
52.78μg/m³
PM10
54.38ppb
O3
0.52ppb
SO2
14.34ppb
NO2
0.29ppm
CO
Air quality and pollutant data for Maryland, 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 White Marsh, Maryland is updated every hour for accuracy.
In the past 24 hours, the air quality in White Marsh, Maryland was at its worst at 10:00:00 on 2026-04-23.
In the last 24 hours, the best air quality in White Marsh, Maryland was observed at 03:00:00 on 2026-04-23.
As of now, the AQI in White Marsh, Maryland is 56, indicating Moderate conditions.
White Marsh, Maryland air has the highest levels of PM2.5.
Poor air quality in White Marsh, Maryland means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in White Marsh, Maryland are currently 11.825 μg/m3.
The PM10 concentration in White Marsh, Maryland is 53.082 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in White Marsh, Maryland is 0.308 ppm.
Currently, White Marsh, Maryland has a sulfur dioxide (SO2) concentration of 2.368 ppb.
The current ozone (O3) level in White Marsh, Maryland at the moment is 20.637 ppm.
Nitrogen dioxide (NO2) level in White Marsh, Maryland at the moment is 13.793 ppb.
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