Canadian wildfire smoke and a dust plume from Africa could collide over the South this week | Weather [Video]

(CNN) — Air quality is taking a hit in parts of the central and eastern United States as smoke from out-of-control wildfires in Canada pours south – but that isn’t the only thing millions of people will notice in the sky this week.

A plume of dust originating from Africa’s Sahara Desert is tracking west across the Atlantic Ocean Tuesday and will soon reach parts of the Southeast.

This dust could collide with any lingering smoke in the South this week, potentially causing unhealthy air quality and a hazy, duller sky during the day, bracketed by colorful sunrises and sunsets.

Here’s when to expect the worst of each.

Dangerous smoke is impacting millions in North America

Nearly a hundred wildfires continue to burn out of control across Canada, from British Columbia to Ontario. The provinces of Manitoba and Saskatchewan have seen some of the worst blazes, which have forced thousands of people forced to flee their homes over the last week.

Smoke from …