When will air quality improve? Smoky skies, severe storm chances with ‘all hazards' possible

What has been confirmed

Only one source so far — nothing has been independently corroborated yet.

What remains unknown

• Reported by one source, not yet independently confirmed: Wildfire smoke from fires burning in northern Ontario was once again leading to hazy skies and unhealthy air quality in the Chicago area, with an air quality alert still in effect through Monday night.
• Reported by one source, not yet independently confirmed: Some parts of the Chicago area saw air quality even worse, with numbers over 150, NBC 5 Storm Team Meteorologist Alicia Roman said.