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)
44
Good
White Marsh, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.68 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.25 μg/m³
0
55
155
255
425
605+
26.52 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
14.64 ppb
0
54
101
361
1250
2050+
0.18 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 44
Good
7.70μg/m³
PM2.5
27.39μg/m³
PM10
26.53ppb
O3
0.33ppb
SO2
14.64ppb
NO2
0.18ppm
CO
AQI 38
Good
7.43μg/m³
PM2.5
27.03μg/m³
PM10
26.70ppb
O3
0.34ppb
SO2
15.16ppb
NO2
0.18ppm
CO
AQI 38
Good
6.99μg/m³
PM2.5
21.47μg/m³
PM10
25.87ppb
O3
0.31ppb
SO2
13.78ppb
NO2
0.18ppm
CO
AQI 38
Good
6.93μg/m³
PM2.5
20.05μg/m³
PM10
25.61ppb
O3
0.31ppb
SO2
13.96ppb
NO2
0.18ppm
CO
AQI 38
Good
6.99μg/m³
PM2.5
21.47μg/m³
PM10
25.87ppb
O3
0.31ppb
SO2
13.78ppb
NO2
0.18ppm
CO
AQI 44
Good
8.04μg/m³
PM2.5
32.09μg/m³
PM10
27.23ppb
O3
0.34ppb
SO2
13.85ppb
NO2
0.18ppm
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 02:00:00 on 2026-01-22.
In the last 24 hours, the best air quality in White Marsh, Maryland was observed at 08:00:00 on 2026-01-22.
As of now, the AQI in White Marsh, Maryland is 44, indicating Good 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 7.68 μg/m3.
The PM10 concentration in White Marsh, Maryland is 27.245 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in White Marsh, Maryland is 0.178 ppm.
Currently, White Marsh, Maryland has a sulfur dioxide (SO2) concentration of 0.33 ppb.
The current ozone (O3) level in White Marsh, Maryland at the moment is 26.515 ppm.
Nitrogen dioxide (NO2) level in White Marsh, Maryland at the moment is 14.638 ppb.
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