Since Thursday, thousands have flooded the Wisconsin State Fair grounds. "You can actually look directly at the sun now because of how much haze is in the air," fair-goer Stephen Scott said. The surface smoke continues to cloud the sky, blown over from the Canadian wildfires. Experts say it could be hazardous when inhaled.

Milwaukee's air quality at one point on July 31 was the poorest in the country, and the rest of Wisconsin's wasn't much better. The good news is the air won't be as difficult to breathe on Aug. 1. The bad news is the Canadian wildfire smoke is still lingering all over the state,

Last week, Canadian wildfire smoke blanketed Wisconsin and caused the Air Quality Index to reach the unhealthy level for sensitive groups. Six days later, on July 31, the smoke appears to have a worse impact on the air.