U.S. Air Quality

Good AQI and Cloud Capped Boundary Layer

Clear skies prevailed during today's operation. A cloud (red counts around 1.75 km) capped boundary layer was observed during today's observations, with the boundary layer extending up to 1.5 km. PM2.5 Concentrations ranging 1-4 ug/m3 (Good AQI Levels) were recorded at Maryland Department of the Environment Oldtown Staion.