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)
33
Good
College Park, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.99 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.71 μg/m³
0
55
155
255
425
605+
10.55 ppb
0
55
71
86
201
201+
0.29 ppb
0
36
76
186
605
1005+
7.82 ppb
0
54
101
361
1250
2050+
0.28 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 33
Good
6.29μg/m³
PM2.5
26.93μg/m³
PM10
11.83ppb
O3
0.32ppb
SO2
7.01ppb
NO2
0.34ppm
CO
AQI 33
Good
6.10μg/m³
PM2.5
25.86μg/m³
PM10
12.82ppb
O3
0.32ppb
SO2
6.84ppb
NO2
0.35ppm
CO
AQI 33
Good
6.29μg/m³
PM2.5
27.37μg/m³
PM10
8.23ppb
O3
0.32ppb
SO2
11.37ppb
NO2
0.42ppm
CO
AQI 38
Good
6.56μg/m³
PM2.5
28.66μg/m³
PM10
7.79ppb
O3
0.32ppb
SO2
10.35ppb
NO2
0.40ppm
CO
AQI 33
Good
5.82μg/m³
PM2.5
24.77μg/m³
PM10
14.06ppb
O3
0.32ppb
SO2
7.25ppb
NO2
0.34ppm
CO
AQI 38
Good
6.61μg/m³
PM2.5
28.92μg/m³
PM10
7.36ppb
O3
0.32ppb
SO2
10.52ppb
NO2
0.40ppm
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 08:00:00 on 2026-09-07.
The best air quality in College Park, Maryland was recorded at 01:00:00 on 2026-09-06.
The real-time air quality index in College Park, Maryland is 33, currently categorized as Good.
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 5.988 μg/m3.
The current PM10 levels in College Park, Maryland are 27.71 μg/m3.
The current carbon monoxide (CO) level in College Park, Maryland is 0.276 ppm.
The current sulfur dioxide (SO2) levels in College Park, Maryland are 0.293 ppb.
The current ozone (O3) levels at College Park, Maryland is 10.55 ppm.
The current nitrogen dioxide (NO2) levels at College Park, Maryland is 7.823 ppb.
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