Wildfire Smoke Is Destroying Cities' Air Quality

The video discusses the severe air quality issues in some U.S. cities, highlighting the health impacts and the role of air quality apps. It emphasizes the global health threat posed by air pollution, citing WHO statistics on mortality. The video also explores the impact of wildfires on air quality, even affecting regions far from the fires. It explains the dangers of particulate matter, especially PM2.5, which can linger in the air and be easily inhaled, posing significant health risks.

What are some of the health impacts of poor air quality mentioned in the text?

According to the World Health Organization, how many people are impacted by air quality issues each year?

What factors contribute to the poor air quality mentioned in the text?

What is particulate matter and why is it important in measuring air quality?

What makes PM smaller than 2.5 micrometers particularly dangerous?