June 19, 2007
Moderate To Unhealthy AQI
Hazy skys in Baltimore County with unhealthy levels of PM2.5 in the afternoon. 116 AQI recorded in the mid-afternoon recorded at MD Science Center. One can see here an inhomogeneous boundary layer around 1.3 km decreasing to about 0.7 km into the evening. This run was stopped by incoming rain. Again the Key Bridge is not visible from UMBC. Today's weather included highs in the upper 80's with wind gusts up to 20 mph.
Posted by Paul Schou at June 19, 2007 11:41 PM