1. Goals Understand why you should be concerned with air pollution Learn the important air quality challenges in the Mid-Atlantic US Know where to find information about air quality in your community. Know things you can do help to prevent air pollution

2. Trends Since 1990 new state and federal regulations have reduced emissions that cause Ozone - nitrogen oxides and volatile organic compounds. Ozone concentrations have improved Weather influences ozone formation so ozone levels may be higher in some years than others. Ozone remains a significant problem.

3. Transport Question How does wind speed affect air pollution?

4. Long Range Transport Most of the regions worse summertime air pollution occur when a large high pressure system brings in air laden with pollution from the industrialized Mid-West.

5. Regional Winds from the SW transport pollution from one city to another along the urban corridor. –I-95 Corridor – washington-baltimore- philadelphia-new york

6. Local Local stagnation accompanying winter high pressure system can produce a localize pollution episode. Stagnate air can lead to a build up of air pollution.

7. Technology Solutions Energy efficiency Less polluting chemicals Add on controls Process changes

8. Solutions Improving air quality requires reducing emissions. Though not just power plants but also –vehicles, –Industries and businesses –everyday activities

9. Both local and long range sources are important –Industrialized Mid-West –Urban traffic and sprawl areas –Local industries and businesses

10. Solutions Effective air pollution control requires public support –Car pool or use public transit –Consolidate trips and errands –Avoid prolong vehicle idling –Keep vehicles, lawn equipment, boats & other recreational vehicles well maintained –Refuel and mow in the evening –Avoid using charcoal lighter fluids –Run dishwashers and washing machines with full loads.