U.S. Air Quality

Warm and Dry

Good air quality in Baltimore with hourly PM 2.5 concentrations in the range of 11.6 and 37 µg/m³ (recorded at Oldtown) . One can see in this profile the nocturnal boundary layer at 1.5 km for the first part of this run and the rising daily boundary layer starting around 1 km at 15:30 UTC and rising to 1.5 km. Temperatures were in 70s climbing to the lower 80s for the afternoon.

Posted by Paul Schou at July 25, 2007 11:11 PM