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)
73
Moderate
White Marsh, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
21.34 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
57.42 μg/m³
0
55
155
255
425
605+
5.99 ppb
0
55
71
86
201
201+
0.72 ppb
0
36
76
186
605
1005+
21.09 ppb
0
54
101
361
1250
2050+
0.40 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
White Marsh, Maryland
White Marsh, Maryland
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AQI 73
Moderate
21.31μg/m³
PM2.5
57.60μg/m³
PM10
5.99ppb
O3
0.72ppb
SO2
21.08ppb
NO2
0.40ppm
CO
AQI 73
Moderate
21.23μg/m³
PM2.5
61.27μg/m³
PM10
5.80ppb
O3
0.69ppb
SO2
20.42ppb
NO2
0.40ppm
CO
AQI 77
Moderate
22.56μg/m³
PM2.5
47.08μg/m³
PM10
6.14ppb
O3
0.80ppb
SO2
22.53ppb
NO2
0.40ppm
CO
AQI 77
Moderate
23.08μg/m³
PM2.5
42.27μg/m³
PM10
6.02ppb
O3
0.83ppb
SO2
22.07ppb
NO2
0.40ppm
CO
AQI 77
Moderate
22.56μg/m³
PM2.5
47.08μg/m³
PM10
6.14ppb
O3
0.80ppb
SO2
22.53ppb
NO2
0.40ppm
CO
AQI 71
Moderate
19.85μg/m³
PM2.5
70.46μg/m³
PM10
6.42ppb
O3
0.65ppb
SO2
22.62ppb
NO2
0.40ppm
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 04:00:00 on 2025-12-06.
In the last 24 hours, the best air quality in White Marsh, Maryland was observed at 11:00:00 on 2025-12-06.
As of now, the AQI in White Marsh, Maryland is 73, 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 21.343 μg/m3.
The PM10 concentration in White Marsh, Maryland is 57.416 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in White Marsh, Maryland is 0.4 ppm.
Currently, White Marsh, Maryland has a sulfur dioxide (SO2) concentration of 0.719 ppb.
The current ozone (O3) level in White Marsh, Maryland at the moment is 5.988 ppm.
Nitrogen dioxide (NO2) level in White Marsh, Maryland at the moment is 21.09 ppb.
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