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)
52
Moderate
College Park, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
43.04 μg/m³
0
55
155
255
425
605+
29.27 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
11.12 ppb
0
54
101
361
1250
2050+
0.21 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 52
Moderate
9.96μg/m³
PM2.5
44.12μg/m³
PM10
29.66ppb
O3
0.54ppb
SO2
10.63ppb
NO2
0.21ppm
CO
AQI 52
Moderate
9.84μg/m³
PM2.5
43.51μg/m³
PM10
30.36ppb
O3
0.54ppb
SO2
10.70ppb
NO2
0.21ppm
CO
AQI 49
Good
9.34μg/m³
PM2.5
41.34μg/m³
PM10
30.40ppb
O3
0.58ppb
SO2
12.56ppb
NO2
0.25ppm
CO
AQI 49
Good
9.15μg/m³
PM2.5
40.59μg/m³
PM10
29.36ppb
O3
0.56ppb
SO2
12.05ppb
NO2
0.24ppm
CO
AQI 56
Moderate
11.79μg/m³
PM2.5
52.05μg/m³
PM10
30.70ppb
O3
0.55ppb
SO2
10.59ppb
NO2
0.21ppm
CO
AQI 49
Good
8.56μg/m³
PM2.5
36.94μg/m³
PM10
29.10ppb
O3
0.55ppb
SO2
12.00ppb
NO2
0.23ppm
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 03:00:00 on 2026-01-22.
The best air quality in College Park, Maryland was recorded at 02:00:00 on 2026-01-23.
The real-time air quality index in College Park, Maryland is 52, 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 9.705 μg/m3.
The current PM10 levels in College Park, Maryland are 43.037 μg/m3.
The current carbon monoxide (CO) level in College Park, Maryland is 0.215 ppm.
The current sulfur dioxide (SO2) levels in College Park, Maryland are 0.542 ppb.
The current ozone (O3) levels at College Park, Maryland is 29.27 ppm.
The current nitrogen dioxide (NO2) levels at College Park, Maryland is 11.121 ppb.
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