Often feel wheezy and out of breath after walking outside? You might not be out of shape, it might just be the air. (Or that’s what you can tell yourself now.) The American Lung Association issued a report giving D.C. and Arlington F grades for our smog.

Good morning, Washington. Today’s looking to be rainy, according to our friends at Capital Weather. But beyond watching for rain, you should be aware of the air quality forecast for the region, as our lead story makes clear. The picture at left is of the lower level of the stands at (Insert Name Here) Field at RFK Stadium, via dcJohn. D.C. Air Gets Failing Grade: In its annual State of the Air report, the American…