Ensure that your home appliances are energy efficient, by purchasing EnergyStar rating appliances and properly maintaining larger equipment such as your furnace and air conditioning system. (Missouri Department of Natural Resources). Also you can keep the thermostat higher in the summer and lower in the winter. These will reduce pollution and reduce your energy bills.

Trees are natural air purifiers. They filter gas pollutants by absorbing them through their leaves. Trees also provide a barrier from particulate pollution. The particulates gather on the tree and often, are washed away by rain into the soil. Here is a website that provides a guide for creating urban "forests". Here is a guide for choosing which tree to plant and planting and care of trees. The Arbor Day Foundation also lists their "tree cities USA" or cities that have a high level of tree canopy coverage.

In areas that have sufficient public transportation, you can take that to reduce the pollution coming from your exhaust pipe. Public transportation is lacking in many parts of the United States, however. In that case, drive your car less by creating a carpool or see if your company will allow you to work remotely.

It would also be helpful to maintain the emission control systems in your vehicles.

When refueling during the summer, the time of day matters. Early or late in the day are ideal times when the temperature is lower for refueling to reduce air pollution.