"Record-Breaking Air Quality Alerts and Closures Plague Ohio Valley"

Cincinnati is experiencing the worst air quality in years, with air quality index numbers reaching unhealthy levels. The issue is a combination of smoke from Canadian wildfires and high ozone or smog levels. Residents are reporting respiratory issues such as coughing and throat irritation. Experts warn that the small smoke particulates can penetrate deep into the lungs, advising people to avoid outdoor exercise and opt for indoor activities instead.