Air pollution in Oxford Street highest in Europe

What is considered one of the greatest external threats to health for urban residents?

• Air pollution

• Water pollution

• Noise pollution

• Soil pollution

How many people are estimated to die annually due to air pollution?

• 3 million

• 2 million

• 1 million

• 4 million

Which pollutant is primarily emitted from car fumes and poses a significant health risk?

• Nitrogen dioxide

• Carbon monoxide

• Ozone

• Sulfur dioxide

What is one of the health effects of inhaling high levels of nitrogen dioxide?

• Improved lung function

• Increased life expectancy

• Reduced lung capacity

• Enhanced immune system

Which city has the highest levels of nitrogen dioxide in Europe?

• Paris

• Berlin

• London

• Rome