Predatory journals (also called fraudulent journals) publish articles without the standard quality checks or editorial services of legitimate journals. They charge high publication fees and often falsely claim to be a well-respected, established journal even if they are new or low-quality. Here are some things to consider when deciding whether or not a journal is predatory:
Take a few minutes to look at the Journal of Environmental and Occupational Health. Do you think this journal is predatory?
When in doubt, check one of the regularly updated resources such as The Predatory Journals List.