Environmental Working Group has updated pesticides in food and lists the dirty dozen of fruit/vegetables and clean 15 fruits/vegetables based on the amount of pesticides found in fruits/vegetables.Dirty Dozen starting with the highest amount of pesticides1, Apples 2, Peaches 3, Nectarines 4, Strawberries 5, Grapes 6, Celery 7, Spinach 8, Sweet bell peppers 9, Cucumbers 10, Cherry tomatoes 11, Snap peas - imported 12, Potatoes 13, Hot Peppers + 14, Kale / Collard greens +Clean 15 fruits/vegetables with the lowest amounts of pesticides starting with the lowest1, Avocados 2, Sweet Corn 3, Pineapples 4, Cabbage 5, Sweet peas frozen 6, Onions 7, Asparagus 8, Mangos 9, Papayas 10, Kiwi 11, Eggplant 12, Grapefruit 13, Cantaloupe 14, Cauliflower 15, Sweet potatoesFor more information, read 

EWG's 2015 Shopper's Guide to Pesticides in Produce™