Stay updated with real-time air quality in Towson, 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)
44
Good
Towson, Maryland
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.09 μg/m³
0
55
155
255
425
605+
3.69 ppb
0
55
71
86
201
201+
0.64 ppb
0
36
76
186
605
1005+
16.84 ppb
0
54
101
361
1250
2050+
0.47 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Towson, Maryland
Towson, Maryland
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AQI 49
Good
9.28μg/m³
PM2.5
40.49μg/m³
PM10
4.75ppb
O3
0.45ppb
SO2
13.87ppb
NO2
0.42ppm
CO
AQI 52
Moderate
9.60μg/m³
PM2.5
42.26μg/m³
PM10
4.98ppb
O3
0.44ppb
SO2
13.21ppb
NO2
0.41ppm
CO
AQI 38
Good
6.81μg/m³
PM2.5
26.69μg/m³
PM10
3.94ppb
O3
0.54ppb
SO2
17.68ppb
NO2
0.44ppm
CO
AQI 38
Good
6.81μg/m³
PM2.5
26.69μg/m³
PM10
3.94ppb
O3
0.54ppb
SO2
17.68ppb
NO2
0.44ppm
CO
AQI 33
Good
6.39μg/m³
PM2.5
17.33μg/m³
PM10
3.15ppb
O3
0.63ppb
SO2
19.15ppb
NO2
0.48ppm
CO
AQI 52
Moderate
10.09μg/m³
PM2.5
44.76μg/m³
PM10
4.98ppb
O3
0.43ppb
SO2
12.74ppb
NO2
0.41ppm
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 Towson, Maryland is updated every hour.
The worst air quality in Towson, Maryland in the last 24 hours was observed at 11:00:00 on 2025-10-19.
In the last 24 hrs, the best air quality in Towson, Maryland was observed at 02:00:00 on 2025-10-20.
The current air quality in Towson, Maryland is 29, categorized as Good based on real-time data.
The most common pollutant in Towson, Maryland is O3.
If the air quality in Towson, Maryland is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Towson, Maryland is 4.934 μg/m3.
The current PM10 concentration at Towson, Maryland is 21.469 μg/m3.
The current carbon monoxide (CO) concentration at Towson, Maryland is 0.133 ppm.
The current sulfur dioxide (SO2) concentration at Towson, Maryland is 0.159 ppb.
The current ozone (O3) concentration at Towson, Maryland is 31.204 ppm.
The current nitrogen dioxide (NO2) concentration at Towson, Maryland is 3.529 ppb.
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