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)
27
Good
White Marsh, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.95 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.16 μg/m³
0
55
155
255
425
605+
18.02 ppb
0
55
71
86
201
201+
0.37 ppb
0
36
76
186
605
1005+
3.40 ppb
0
54
101
361
1250
2050+
0.20 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 33
Good
6.10μg/m³
PM2.5
26.40μg/m³
PM10
14.02ppb
O3
0.19ppb
SO2
4.03ppb
NO2
0.23ppm
CO
AQI 33
Good
6.14μg/m³
PM2.5
26.88μg/m³
PM10
14.35ppb
O3
0.21ppb
SO2
4.16ppb
NO2
0.23ppm
CO
AQI 33
Good
6.21μg/m³
PM2.5
26.48μg/m³
PM10
14.67ppb
O3
0.15ppb
SO2
3.99ppb
NO2
0.23ppm
CO
AQI 33
Good
6.17μg/m³
PM2.5
26.19μg/m³
PM10
14.62ppb
O3
0.14ppb
SO2
4.21ppb
NO2
0.23ppm
CO
AQI 33
Good
6.21μg/m³
PM2.5
26.48μg/m³
PM10
14.67ppb
O3
0.15ppb
SO2
3.99ppb
NO2
0.23ppm
CO
AQI 33
Good
6.26μg/m³
PM2.5
27.08μg/m³
PM10
14.56ppb
O3
0.22ppb
SO2
3.57ppb
NO2
0.23ppm
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 2026-09-07.
In the last 24 hours, the best air quality in White Marsh, Maryland was observed at 03:00:00 on 2026-09-07.
As of now, the AQI in White Marsh, Maryland is 27, 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 4.947 μg/m3.
The PM10 concentration in White Marsh, Maryland is 21.161 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in White Marsh, Maryland is 0.205 ppm.
Currently, White Marsh, Maryland has a sulfur dioxide (SO2) concentration of 0.368 ppb.
The current ozone (O3) level in White Marsh, Maryland at the moment is 18.019 ppm.
Nitrogen dioxide (NO2) level in White Marsh, Maryland at the moment is 3.401 ppb.
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