Celebrate Healthy Kids Day with The Fresh Air Fund and YMCA, 10:00 a.m. to 1:00 p.m. at Bethlehem YMCA, 900 Delaware Ave Delmar, NY 12054. 12:00 to 2:00 p.m., at Greenbush YMCA 20 Community Way East Greenbush, NY 12061, and 11:00 a.m. to 1:00 p.m. at  Guilderland YMCA, 250 Winding Brook Drive, Guilderland, NY 12084.