U.S. Air Quality

Moderate PM2.5 Levels in Baltimore

Boundary layer extended up to 2 km. Today's observations were stopped due to extensive cloud coverage in the region (not shown in this timeseries). The PM2.5 concentrations at Maryland Department of the Environment Oldtown monitoring station ranged between 27-38 ug/m3 (Moderate AQI Levels: 74-95).