Stay updated with real-time air quality in College Park, 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)
38
Good
College Park, Maryland
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
7.13 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
32.52 μg/m³
0
55
155
255
425
605+
34.76 ppb
0
55
71
86
201
201+
0.18 ppb
0
36
76
186
605
1005+
2.63 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
College Park, Maryland
College Park, Maryland
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AQI 56
Moderate
11.70μg/m³
PM2.5
49.46μg/m³
PM10
44.57ppb
O3
0.11ppb
SO2
3.98ppb
NO2
0.32ppm
CO
AQI 56
Moderate
12.19μg/m³
PM2.5
51.09μg/m³
PM10
45.73ppb
O3
0.11ppb
SO2
3.88ppb
NO2
0.33ppm
CO
AQI 58
Moderate
12.58μg/m³
PM2.5
55.77μg/m³
PM10
43.93ppb
O3
0.11ppb
SO2
6.09ppb
NO2
0.32ppm
CO
AQI 56
Moderate
11.77μg/m³
PM2.5
51.99μg/m³
PM10
42.60ppb
O3
0.11ppb
SO2
5.81ppb
NO2
0.30ppm
CO
AQI 56
Moderate
12.40μg/m³
PM2.5
52.62μg/m³
PM10
46.70ppb
O3
0.11ppb
SO2
3.40ppb
NO2
0.35ppm
CO
AQI 56
Moderate
11.52μg/m³
PM2.5
50.68μg/m³
PM10
41.80ppb
O3
0.11ppb
SO2
6.08ppb
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 College Park, Maryland is updated on an hourly basis.
The worst air quality in College Park, Maryland was recorded at 04:00:00 on 2025-07-23.
The best air quality in College Park, Maryland was recorded at 12:00:00 on 2025-07-23.
The real-time air quality index in College Park, Maryland is 54, currently categorized as Moderate.
The most common pollutant in College Park, Maryland is PM2.5.
If the air quality in College Park, Maryland is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in College Park, Maryland at present are 11.395 μg/m3.
The current PM10 levels in College Park, Maryland are 45.359 μg/m3.
The current carbon monoxide (CO) level in College Park, Maryland is 0.345 ppm.
The current sulfur dioxide (SO2) levels in College Park, Maryland are 0.1 ppb.
The current ozone (O3) levels at College Park, Maryland is 42.134 ppm.
The current nitrogen dioxide (NO2) levels at College Park, Maryland is 4.617 ppb.
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