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)
38
Good
White Marsh, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.82 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
31.41 μg/m³
0
55
155
255
425
605+
28.27 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
7.94 ppb
0
54
101
361
1250
2050+
0.37 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 38
Good
6.82μg/m³
PM2.5
31.36μg/m³
PM10
28.30ppb
O3
0.30ppb
SO2
7.92ppb
NO2
0.37ppm
CO
AQI 38
Good
6.50μg/m³
PM2.5
30.86μg/m³
PM10
28.41ppb
O3
0.32ppb
SO2
7.64ppb
NO2
0.37ppm
CO
AQI 38
Good
7.37μg/m³
PM2.5
35.15μg/m³
PM10
28.08ppb
O3
0.26ppb
SO2
8.33ppb
NO2
0.37ppm
CO
AQI 38
Good
7.45μg/m³
PM2.5
36.08μg/m³
PM10
27.04ppb
O3
0.24ppb
SO2
8.78ppb
NO2
0.37ppm
CO
AQI 38
Good
7.37μg/m³
PM2.5
35.15μg/m³
PM10
28.08ppb
O3
0.26ppb
SO2
8.33ppb
NO2
0.37ppm
CO
AQI 38
Good
6.70μg/m³
PM2.5
30.40μg/m³
PM10
31.00ppb
O3
0.35ppb
SO2
7.20ppb
NO2
0.36ppm
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 2026-07-10.
In the last 24 hours, the best air quality in White Marsh, Maryland was observed at 11:00:00 on 2026-07-10.
As of now, the AQI in White Marsh, Maryland is 38, 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 6.823 μg/m3.
The PM10 concentration in White Marsh, Maryland is 31.415 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in White Marsh, Maryland is 0.367 ppm.
Currently, White Marsh, Maryland has a sulfur dioxide (SO2) concentration of 0.304 ppb.
The current ozone (O3) level in White Marsh, Maryland at the moment is 28.275 ppm.
Nitrogen dioxide (NO2) level in White Marsh, Maryland at the moment is 7.938 ppb.
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