Hundreds of Thousands Told To Stay Indoors in 3 States [Video]

Residents living across a huge area spanning three states have been warned of dangerous air pollution levels on Tuesday.

Swathes of Minnesota, Iowa and Wisconsin are all affected by poor air quality, with an area around Minneapolis covered by one of the most severe warnings.

Smoke from wildfires, combined with the current weather conditions, have contributed to the pollution.

Why It Matters

Health officials warn that vulnerable populations — such as children, older adults and individuals with existing respiratory issues — face heightened risks during periods of poor air quality. Even healthy members of the general public may experience health effects when air pollution reaches dangerous levels.

Minnesota has been beset by wildfires this week, adding misery to the devastation already caused by a string of blazes last month that consumed more than 35,000 acres of land.

What To Know

The U.S. Environmental Protection …