Stay updated with real-time air quality in Lochearn, 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)
74
Moderate
Lochearn, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.92 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.27 μg/m³
0
55
155
255
425
605+
62.19 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
11.40 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Lochearn, Maryland
Lochearn, Maryland
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AQI 77
Moderate
8.05μg/m³
PM2.5
35.23μg/m³
PM10
62.78ppb
O3
0.85ppb
SO2
9.58ppb
NO2
0.18ppm
CO
AQI 77
Moderate
8.04μg/m³
PM2.5
35.34μg/m³
PM10
62.76ppb
O3
0.84ppb
SO2
9.73ppb
NO2
0.18ppm
CO
AQI 77
Moderate
8.07μg/m³
PM2.5
35.42μg/m³
PM10
62.60ppb
O3
0.85ppb
SO2
8.86ppb
NO2
0.18ppm
CO
AQI 74
Moderate
7.99μg/m³
PM2.5
34.29μg/m³
PM10
61.84ppb
O3
0.86ppb
SO2
6.09ppb
NO2
0.18ppm
CO
AQI 77
Moderate
8.06μg/m³
PM2.5
35.43μg/m³
PM10
62.77ppb
O3
0.84ppb
SO2
9.56ppb
NO2
0.18ppm
CO
AQI 71
Moderate
7.87μg/m³
PM2.5
32.31μg/m³
PM10
61.37ppb
O3
0.89ppb
SO2
4.22ppb
NO2
0.18ppm
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 Lochearn, Maryland is updated every hour.
The worst air quality in Lochearn, Maryland in the last 24 hours was observed at 09:00:00 on 2026-04-23.
In the last 24 hrs, the best air quality in Lochearn, Maryland was observed at 01:00:00 on 2026-04-23.
The current air quality in Lochearn, Maryland is 74, categorized as Moderate based on real-time data.
The most common pollutant in Lochearn, Maryland is O3.
If the air quality in Lochearn, Maryland is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Lochearn, Maryland is 7.916 μg/m3.
The current PM10 concentration at Lochearn, Maryland is 35.272 μg/m3.
The current carbon monoxide (CO) concentration at Lochearn, Maryland is 0.162 ppm.
The current sulfur dioxide (SO2) concentration at Lochearn, Maryland is 0.555 ppb.
The current ozone (O3) concentration at Lochearn, Maryland is 62.193 ppm.
The current nitrogen dioxide (NO2) concentration at Lochearn, Maryland is 11.405 ppb.
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