The city of Los Altos is located in a valley surrounded by mountains. Despite reducing emissions from vehicles and industries, the city continues to suffer from frequent photochemical smog episodes, especially in winter months. Residents report increased respiratory issues and reduced visibility.
Identify the primary pollutant involved in the formation of photochemical smog.
Describe the chemical reaction that leads to the formation of tropospheric ozone.
Using the image, explain how thermal inversion traps pollutants near the ground.
Describe one human health impact of photochemical smog.
Identify one natural factor that worsens smog formation in cities like Los Altos.
Propose one urban planning strategy to reduce photochemical smog.
Explain the role of volatile organic compounds (VOCs) in the formation of photochemical smog.
Describe one way climate and topography influence the severity of smog.
Explain how reducing NOₓ emissions could affect smog levels.
Describe one reason public education campaigns are important in managing air pollution.
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