Nutrition Avocados are listed as the #1 cleanest fruit on the Environmental Working Group's (EWG) 2018 'Clean 15' list. The list is a consumer-friendly guide to fruits and vegetables that contain the least amount of pesticides. Of the avocados tested by the EWG, less than 1% tested positive for pesticides and only one type of pesticide was found, earning avocados the first place
