Your flyer should include the following information:

the type(s) of air pollution you will be discussing
the sources of that/those type(s) of pollution
the effects of the pollutant on the environment
the effects of the pollutant on human health
ways we can reduce the amount(s) of that/those pollutant(s) generated

http://nepa.gov.jm/publications/flyers/airpollution-flyer.pdf

heres an link on what it should look like

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.