Overview
Urban air quality is a critical issue that affects millions of people worldwide. It is influenced by various pollutants from vehicles, industries, and other sources, leading to significant health risks and environmental concerns. Understanding the types of pollutants, their sources, and their impact...
Key Terms
Example: An AQI of 150 indicates unhealthy air quality.
Example: PM2.5 refers to particles smaller than 2.5 micrometers.
Example: High levels of NO2 can lead to respiratory issues.
Example: Paints and solvents often release VOCs.
Example: London's Great Smog of 1952 was a severe air pollution event.
Example: Ground-level ozone is a harmful pollutant, unlike the protective ozone layer.