The Mid-Hudson New Network reports that the Hudson Valley has among the most polluted air in the state, according to an annual report released April 18 from the American Lung Association. In the report, Orange County got a "C" grade, and Dutchess and Putnam went from “C” to “D” grades this year for high levels of ozone and high particle pollution. Albany County received a "B" rating in the report, while there were no grades for Rensselaer, Greene, Columbia, Ulster or Delaware counties. Read the full story at the Mid-Hudson New Network.