Towson, Maryland live air quality index now
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)
Major air pollutants in Towson, Maryland
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
5.14 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
20.24 μg/m³
0
55
155
255
425
605+
Ozone (O3)
46.88 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.24 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
2.71 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Towson, Maryland
Towson, Maryland
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Air quality in nearby cities
Timonium, Maryland
AQI 59
Moderate
6.83μg/m³
PM2.5
72.01μg/m³
PM10
49.14ppb
O3
0.20ppb
SO2
1.64ppb
NO2
0.24ppm
CO
Mays Chapel, Maryland
AQI 63
Moderate
6.87μg/m³
PM2.5
80.46μg/m³
PM10
49.21ppb
O3
0.20ppb
SO2
1.66ppb
NO2
0.24ppm
CO
Parkville, Maryland
AQI 44
Good
6.59μg/m³
PM2.5
41.91μg/m³
PM10
47.68ppb
O3
0.18ppb
SO2
1.57ppb
NO2
0.24ppm
CO
Carney, Maryland
AQI 44
Good
6.59μg/m³
PM2.5
41.91μg/m³
PM10
47.68ppb
O3
0.18ppb
SO2
1.57ppb
NO2
0.24ppm
CO
Overlea, Maryland
AQI 45
Good
6.15μg/m³
PM2.5
19.95μg/m³
PM10
48.52ppb
O3
0.13ppb
SO2
1.71ppb
NO2
0.24ppm
CO
Cockeysville, Maryland
AQI 63
Moderate
6.90μg/m³
PM2.5
79.88μg/m³
PM10
49.65ppb
O3
0.20ppb
SO2
1.66ppb
NO2
0.24ppm
CO
How accurate is Maryland, USA air quality data?
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
Frequently asked questions
How often is the air quality data for Towson, Maryland updated?
The air quality for Towson, Maryland is updated every hour.
When was the worst air quality at Towson, Maryland in the last 24 hrs?
The worst air quality in Towson, Maryland in the last 24 hours was observed at 05:00:00 on 2025-07-26.
When was the best air quality at Towson, Maryland in the last 24 hrs?
In the last 24 hrs, the best air quality in Towson, Maryland was observed at 01:00:00 on 2025-07-26.
What is the current air quality in Towson, Maryland?
The current air quality in Towson, Maryland is 44, categorized as Good based on real-time data.
What pollutant is the most common in Towson, Maryland?
The most common pollutant in Towson, Maryland is O3.
What should I do if the air quality in Towson, Maryland is poor?
If the air quality in Towson, Maryland is poor, consider staying indoors and wearing a mask to protect yourself.
What is the current concentration of PM2.5 in Towson, Maryland?
The current PM2.5 concentration at Towson, Maryland is 4.088 μg/m3.
What is the current concentration of PM10 in Towson, Maryland?
The current PM10 concentration at Towson, Maryland is 16.415 μg/m3.
What is the current concentration of carbon monoxide (CO) in Towson, Maryland?
The current carbon monoxide (CO) concentration at Towson, Maryland is 0.24 ppm.
What is the current concentration of sulfur dioxide (SO2) in Towson, Maryland?
The current sulfur dioxide (SO2) concentration at Towson, Maryland is 0.196 ppb.
What is the current concentration of ozone (O3) in Towson, Maryland?
The current ozone (O3) concentration at Towson, Maryland is 47.839 ppm.
What is the current concentration of nitrogen dioxide (NO2) in Towson, Maryland?
The current nitrogen dioxide (NO2) concentration at Towson, Maryland is 2.223 ppb.
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