U.S. Air Quality

Fair weather

Good air quality in Baltimore with hourly PM 2.5 concentrations in the range of 3.8 and 10.4 µg/m³ (recorded at Oldtown) . Fair weather clouds can be seen in the profile at 2.5-3 km with some cirrus showing up later at 17:30 and an altitude of about 10.5 km. Temperatures were in 70s. The boundary layer was mostly homogeneous with a height of 2.7km.

Posted by Paul Schou at July 22, 2007 3:00 PM