If you have a choice, eat organic. But not all of us can afford to eat everything organic. The chart below gave a list of produce that are in the dirty dozen plus. They are on this list due to the fact that they have high pesticide levels. On the contrary, the Clean 15 indicated a list that has lowest levels of pesticide. These two lists helped me to know when to buy organic vs. conventional. Hopefully this produce  guide will be helpful to you too.

The above information’s taken from the EWG’s 2012 Shopper’s Guide to Pesticide in Produce.