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)
33
Good
Middle River, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.17 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.19 μg/m³
0
55
155
255
425
605+
14.62 ppb
0
55
71
86
201
201+
0.14 ppb
0
36
76
186
605
1005+
4.21 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Middle River, Maryland
Middle River, Maryland
Scroll To Air Quality MapLoading...
AQI 33
Good
6.20μg/m³
PM2.5
26.06μg/m³
PM10
14.90ppb
O3
0.11ppb
SO2
4.35ppb
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
6.10μg/m³
PM2.5
26.40μg/m³
PM10
14.02ppb
O3
0.19ppb
SO2
4.04ppb
NO2
0.23ppm
CO
AQI 33
Good
6.21μg/m³
PM2.5
26.36μg/m³
PM10
14.77ppb
O3
0.13ppb
SO2
4.09ppb
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
6.14μg/m³
PM2.5
26.88μg/m³
PM10
14.35ppb
O3
0.21ppb
SO2
4.16ppb
NO2
0.23ppm
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 04:00:00 on 2026-09-07.
The best air quality in Middle River, Maryland was recorded at 03:00:00 on 2026-09-07.
The real-time air quality index in Middle River, Maryland is 33, currently categorized as Good.
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 6.172 μg/m3.
The current PM10 levels in Middle River, Maryland are 26.192 μg/m3.
The current carbon monoxide (CO) level in Middle River, Maryland is 0.232 ppm.
The current sulfur dioxide (SO2) levels in Middle River, Maryland are 0.135 ppb.
The current ozone (O3) levels at Middle River, Maryland is 14.623 ppm.
The current nitrogen dioxide (NO2) levels at Middle River, Maryland is 4.209 ppb.
All Rights Reserved © Ambee Inc. 2025