What is the main component of urban smog in North Carolina?

• Soot

• Dust

• Ozone

• Carbon monoxide

What are the primary sources of VOCs that contribute to ground-level ozone formation?

• All of the above

• Trees and natural sources

• Power plants and industrial sources

• Cars and trucks

Why is reducing VOCs less effective in controlling ozone compared to NOx?

• VOCs are less harmful to the environment

• VOCs are naturally occurring and cannot be controlled

• VOCs are not a significant contributor to ozone formation

• Most NOx comes from man-made sources

What are the symptoms of ozone exposure?

• Joint pain, muscle weakness, skin rash

• Headache, dizziness, nausea

• Coughing, throat irritation, chest pain

• Fever, chills, fatigue

When do ozone levels generally peak in most areas?

• Morning

• Afternoon

• Evening

• Night

What is the standard level of ozone concentration considered unhealthy to breathe?

• 0.08 ppm

• 0.15 ppm

• 0.05 ppm

• 0.10 ppm

What action can individuals take to help reduce ozone pollution?

• Using air conditioners more frequently

• Using appliances and lights more often

• Driving more to reduce energy consumption

• Setting thermostats higher on air conditioners

What are ozone action days?

• Days with high levels of ozone in the morning

• Days with low levels of ozone in the afternoon

• Days with unhealthy levels of ozone in the evening

• Days with ozone levels exceeding the standard

What is the purpose of the N.C. Air Awareness Program?

• To increase energy consumption

• To educate and inform the public about air pollution

• To promote the use of vehicles

• To reduce the use of public transportation

Where can citizens obtain ozone forecasts?

• By visiting an Internet website

• By subscribing to receive fax or e-mail notices

• All of the above

• By calling a toll-free number