Stay updated with real-time air quality in Odenton, 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)
24
Good
Odenton, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.14 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.26 μg/m³
0
55
155
255
425
605+
26.16 ppb
0
55
71
86
201
201+
0.21 ppb
0
36
76
186
605
1005+
4.57 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Odenton, Maryland
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AQI 27
Good
3.65μg/m³
PM2.5
18.03μg/m³
PM10
28.84ppb
O3
0.19ppb
SO2
5.50ppb
NO2
0.16ppm
CO
AQI 27
Good
3.91μg/m³
PM2.5
20.67μg/m³
PM10
28.67ppb
O3
0.21ppb
SO2
5.97ppb
NO2
0.16ppm
CO
AQI 25
Good
3.86μg/m³
PM2.5
18.74μg/m³
PM10
27.13ppb
O3
0.27ppb
SO2
7.72ppb
NO2
0.16ppm
CO
AQI 27
Good
3.42μg/m³
PM2.5
15.46μg/m³
PM10
28.75ppb
O3
0.19ppb
SO2
5.12ppb
NO2
0.16ppm
CO
AQI 27
Good
4.41μg/m³
PM2.5
25.26μg/m³
PM10
28.98ppb
O3
0.25ppb
SO2
6.93ppb
NO2
0.16ppm
CO
AQI 27
Good
3.90μg/m³
PM2.5
18.28μg/m³
PM10
28.72ppb
O3
0.17ppb
SO2
4.53ppb
NO2
0.15ppm
CO
Air quality data and pollutant measurements for Maryland, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Odenton, Maryland is updated every hour.
The worst air quality in Odenton, Maryland in the last 24 hours was observed at 02:00:00 on 2026-03-07.
In the last 24 hrs, the best air quality in Odenton, Maryland was observed at 11:00:00 on 2026-03-07.
The current air quality in Odenton, Maryland is 24, categorized as Good based on real-time data.
The most common pollutant in Odenton, Maryland is O3.
If the air quality in Odenton, Maryland is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Odenton, Maryland is 3.14 μg/m3.
The current PM10 concentration at Odenton, Maryland is 15.26 μg/m3.
The current carbon monoxide (CO) concentration at Odenton, Maryland is 0.175 ppm.
The current sulfur dioxide (SO2) concentration at Odenton, Maryland is 0.208 ppb.
The current ozone (O3) concentration at Odenton, Maryland is 26.16 ppm.
The current nitrogen dioxide (NO2) concentration at Odenton, Maryland is 4.574 ppb.
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