Stay updated with real-time air quality in Rosedale, 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)
77
Moderate
Rosedale, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
23.05 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
42.76 μg/m³
0
55
155
255
425
605+
6.10 ppb
0
55
71
86
201
201+
0.83 ppb
0
36
76
186
605
1005+
22.56 ppb
0
54
101
361
1250
2050+
0.40 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Rosedale, Maryland
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AQI 79
Moderate
23.94μg/m³
PM2.5
34.36μg/m³
PM10
6.01ppb
O3
0.88ppb
SO2
22.35ppb
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
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
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 75
Moderate
22.43μg/m³
PM2.5
47.90μg/m³
PM10
6.13ppb
O3
0.79ppb
SO2
22.51ppb
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 Rosedale, Maryland is updated every hour for accuracy.
In the past 24 hours, the air quality in Rosedale, Maryland was at its worst at 04:00:00 on 2025-12-06.
In the last 24 hours, the best air quality in Rosedale, Maryland was observed at 09:00:00 on 2025-12-06.
As of now, the AQI in Rosedale, Maryland is 77, indicating Moderate conditions.
Rosedale, Maryland air has the highest levels of PM2.5.
Poor air quality in Rosedale, Maryland means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Rosedale, Maryland are currently 23.048 μg/m3.
The PM10 concentration in Rosedale, Maryland is 42.764 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Rosedale, Maryland is 0.4 ppm.
Currently, Rosedale, Maryland has a sulfur dioxide (SO2) concentration of 0.832 ppb.
The current ozone (O3) level in Rosedale, Maryland at the moment is 6.103 ppm.
Nitrogen dioxide (NO2) level in Rosedale, Maryland at the moment is 22.563 ppb.
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