"Unprecedented Air Conditions in Northeast Ohio: Smoke from Canadian Wildfires Causes 'Very Unhealthy' Air Quality and Closures"

The smoke from Canadian wildfires has caused air conditions in Cleveland, Ohio to reach unprecedented levels, with air quality readings in the hazardous category. The U.S. Environmental Protection Agency (EPA) states that any reading between 200 and 300 is considered "very unhealthy," while readings above 300 are deemed hazardous. Experts recommend staying indoors with windows closed and house fans running to minimize exposure to the high levels of air particles.