Stay updated with real-time air quality in Langley 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)
54
Moderate
Langley Park, Maryland
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
11.46 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
53.04 μg/m³
0
55
155
255
425
605+
32.84 ppb
0
55
71
86
201
201+
0.22 ppb
0
36
76
186
605
1005+
7.20 ppb
0
54
101
361
1250
2050+
0.37 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Langley Park, Maryland
Langley Park, Maryland
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AQI 54
Moderate
11.35μg/m³
PM2.5
50.78μg/m³
PM10
35.12ppb
O3
0.22ppb
SO2
6.73ppb
NO2
0.37ppm
CO
AQI 54
Moderate
11.33μg/m³
PM2.5
50.71μg/m³
PM10
38.09ppb
O3
0.23ppb
SO2
5.52ppb
NO2
0.36ppm
CO
AQI 54
Moderate
11.20μg/m³
PM2.5
50.07μg/m³
PM10
36.96ppb
O3
0.24ppb
SO2
6.70ppb
NO2
0.38ppm
CO
AQI 54
Moderate
11.45μg/m³
PM2.5
51.20μg/m³
PM10
33.31ppb
O3
0.22ppb
SO2
7.48ppb
NO2
0.38ppm
CO
AQI 54
Moderate
11.31μg/m³
PM2.5
50.62μg/m³
PM10
38.17ppb
O3
0.23ppb
SO2
5.45ppb
NO2
0.35ppm
CO
AQI 56
Moderate
12.17μg/m³
PM2.5
54.40μg/m³
PM10
33.68ppb
O3
0.25ppb
SO2
9.08ppb
NO2
0.44ppm
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 Langley Park, Maryland is updated every hour.
The worst air quality in Langley Park, Maryland in the last 24 hours was observed at 09:00:00 on 2025-06-05.
In the last 24 hrs, the best air quality in Langley Park, Maryland was observed at 05:00:00 on 2025-06-06.
The current air quality in Langley Park, Maryland is 54, categorized as Moderate based on real-time data.
The most common pollutant in Langley Park, Maryland is PM2.5.
If the air quality in Langley Park, Maryland is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Langley Park, Maryland is 11.456 μg/m3.
The current PM10 concentration at Langley Park, Maryland is 53.039 μg/m3.
The current carbon monoxide (CO) concentration at Langley Park, Maryland is 0.372 ppm.
The current sulfur dioxide (SO2) concentration at Langley Park, Maryland is 0.223 ppb.
The current ozone (O3) concentration at Langley Park, Maryland is 32.84 ppm.
The current nitrogen dioxide (NO2) concentration at Langley Park, Maryland is 7.204 ppb.
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