I cannot believe what I am hearing. Behind Shabbos, Sunday is my most enjoayable day. Here in the NYC area we had fantastic weather, and I spent almost all day outdoors.
I saw people rollerblading, cycling, walking, pushing their kids / nephews/nieces on swings.
On a day like yesterday, there was no reason to stay in doors. And pesach cleaning? That starts AFTER purim, not before.
Find someone to get outside with and GO!