Stay updated with real-time air quality in Middle River, 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)
54
Moderate
Middle River, Maryland
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
11.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.98 μg/m³
0
55
155
255
425
605+
24.73 ppb
0
55
71
86
201
201+
0.12 ppb
0
36
76
186
605
1005+
18.61 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Middle River, Maryland
Middle River, Maryland
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AQI 52
Moderate
9.69μg/m³
PM2.5
19.67μg/m³
PM10
38.36ppb
O3
0.30ppb
SO2
10.75ppb
NO2
0.29ppm
CO
AQI 52
Moderate
10.46μg/m³
PM2.5
29.39μg/m³
PM10
41.26ppb
O3
0.28ppb
SO2
9.95ppb
NO2
0.29ppm
CO
AQI 52
Moderate
10.25μg/m³
PM2.5
33.48μg/m³
PM10
40.70ppb
O3
0.27ppb
SO2
9.47ppb
NO2
0.29ppm
CO
AQI 52
Moderate
10.24μg/m³
PM2.5
26.30μg/m³
PM10
40.41ppb
O3
0.28ppb
SO2
10.21ppb
NO2
0.29ppm
CO
AQI 52
Moderate
10.46μg/m³
PM2.5
29.39μg/m³
PM10
41.26ppb
O3
0.28ppb
SO2
9.95ppb
NO2
0.29ppm
CO
AQI 52
Moderate
9.98μg/m³
PM2.5
34.02μg/m³
PM10
39.57ppb
O3
0.28ppb
SO2
9.31ppb
NO2
0.29ppm
CO
Air quality measurements for Maryland, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Middle River, Maryland is updated on an hourly basis.
The worst air quality in Middle River, Maryland was recorded at 03:00:00 on 2025-07-29.
The best air quality in Middle River, Maryland was recorded at 04:00:00 on 2025-07-28.
The real-time air quality index in Middle River, Maryland is 52, currently categorized as Moderate.
The most common pollutant in Middle River, Maryland is PM2.5.
If the air quality in Middle River, Maryland is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Middle River, Maryland at present are 9.952 μg/m3.
The current PM10 levels in Middle River, Maryland are 24.553 μg/m3.
The current carbon monoxide (CO) level in Middle River, Maryland is 0.234 ppm.
The current sulfur dioxide (SO2) levels in Middle River, Maryland are 0.43 ppb.
The current ozone (O3) levels at Middle River, Maryland is 49.915 ppm.
The current nitrogen dioxide (NO2) levels at Middle River, Maryland is 5.836 ppb.
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