October 15, 2007
Good PM2.5 AQI Levels
A rising boundary layer, from 0.3 to 1.5 km, was observed during today's timeseries. Aerosol aloft was also observed between 2-2.5 km. Clouds, at heights between 9-12 km, advected over ELF after 16:00 UTC (not shown). Hourly PM 2.5 were Good during today's timeseries. PM2.5 concentrations in the range of 8.5 to 16.6 ug/m3 were recorded at Maryland's Department of the Enviroment Oldtown site in Baltimore during ELF's operation.