The image shows a presentation slide on a projector screen in a classroom. The slide has a white background and black text. The title of the slide reads "There are a variety of air pollutants in the atmosphere. This lesson will cover the following topics: Particulate Matter, Ozone, Other Compounds." Below the title, there is a list of topics such as "Ozone", "Other Compounds", and "Particulate Matters". The slide appears to be from a presentation or lecture.