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)
41
Good
Rosedale, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.13 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.29 μg/m³
0
55
155
255
425
605+
43.52 ppb
0
55
71
86
201
201+
0.20 ppb
0
36
76
186
605
1005+
3.23 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Rosedale, Maryland
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AQI 33
Good
3.18μg/m³
PM2.5
9.19μg/m³
PM10
35.56ppb
O3
0.30ppb
SO2
2.67ppb
NO2
0.20ppm
CO
AQI 35
Good
3.15μg/m³
PM2.5
10.41μg/m³
PM10
38.41ppb
O3
0.29ppb
SO2
2.96ppb
NO2
0.20ppm
CO
AQI 35
Good
3.15μg/m³
PM2.5
10.41μg/m³
PM10
38.41ppb
O3
0.29ppb
SO2
2.96ppb
NO2
0.20ppm
CO
AQI 41
Good
3.06μg/m³
PM2.5
12.39μg/m³
PM10
43.63ppb
O3
0.26ppb
SO2
3.58ppb
NO2
0.20ppm
CO
AQI 34
Good
3.10μg/m³
PM2.5
9.65μg/m³
PM10
37.29ppb
O3
0.29ppb
SO2
2.93ppb
NO2
0.20ppm
CO
AQI 36
Good
3.20μg/m³
PM2.5
10.97μg/m³
PM10
39.24ppb
O3
0.28ppb
SO2
3.10ppb
NO2
0.20ppm
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 03:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in Rosedale, Maryland was observed at 07:00:00 on 2026-03-09.
As of now, the AQI in Rosedale, Maryland is 41, indicating Good conditions.
Rosedale, Maryland air has the highest levels of O3.
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 3.129 μg/m3.
The PM10 concentration in Rosedale, Maryland is 9.286 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Rosedale, Maryland is 0.211 ppm.
Currently, Rosedale, Maryland has a sulfur dioxide (SO2) concentration of 0.196 ppb.
The current ozone (O3) level in Rosedale, Maryland at the moment is 43.525 ppm.
Nitrogen dioxide (NO2) level in Rosedale, Maryland at the moment is 3.23 ppb.
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