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What’s the difference between wildfire smoke and ozone pollutants?

Joseph Dames looks at where the hazardous air in Minnesota is coming from, and what you can do about it.

Jun 14, 2023 (01:51)

Union Depot Ghost Tour returns to downtown St. Paul

Union Depot Ghost Tour returns to downtown St. Paul

Weeks after Minneapolis mass shooting, Loring Park residents still traumatized

Weeks after Minneapolis mass shooting, Loring Park residents still traumatized

Minneapolis police investigate possible shooting in Como neighborhood

Minneapolis police investigate possible shooting in Como neighborhood

Minnesota man survives black bear attack, and more headlines

Minnesota man survives black bear attack, and more headlines

NEXT Weather: 6 a.m. report for Minnesota on Oct. 7, 2026

NEXT Weather: 6 a.m. report for Minnesota on Oct. 7, 2026

NEXT Weather: 10 p.m. report on Oct. 6, 2026

NEXT Weather: 10 p.m. report on Oct. 6, 2026

Why is the state pursing charges against Vance Boelter, who is already convicted in federal court?

Why is the state pursing charges against Vance Boelter, who is already convicted in federal court?

Closing arguments set for Wednesday for Jordan Collins Sr., accused of killing his son

Closing arguments set for Wednesday for Jordan Collins Sr., accused of killing his son

Community members voice concern after string of gun violence in Twin Cities suburbs

Community members voice concern after string of gun violence in Twin Cities suburbs

U.S.-Canada soccer friendly is helping revitalize Midway

U.S.-Canada soccer friendly is helping revitalize Midway

M State Detroit Lakes campus to close due to declining enrollment

M State Detroit Lakes campus to close due to declining enrollment

NEXT Weather: 6 p.m. report on Oct. 6, 2026

NEXT Weather: 6 p.m. report on Oct. 6, 2026

Twin Cities marathon runner took on 26.2 miles while carrying canoe

Twin Cities marathon runner took on 26.2 miles while carrying canoe

What do the healthcare mergers in Minnesota mean for the cost of care?

What do the healthcare mergers in Minnesota mean for the cost of care?

More than 100 shots fired in Bloomington neighborhood, no arrests

More than 100 shots fired in Bloomington neighborhood, no arrests

NEXT Weather: 5 p.m. report on Oct. 6, 2026

NEXT Weather: 5 p.m. report on Oct. 6, 2026

Minnesota Opera Orchestra authorizes strike

Minnesota Opera Orchestra authorizes strike

Man threw Lime scooters off St. Paul bridge, charges say

Man threw Lime scooters off St. Paul bridge, charges say

ICE detained 77 U.S. citizens in Minnesota over the past year, data shows

ICE detained 77 U.S. citizens in Minnesota over the past year, data shows

Police in Twin Cities suburbs call for task force after gun violence

Police in Twin Cities suburbs call for task force after gun violence

How Minnesotans feel about their neighbors and their future

How Minnesotans feel about their neighbors and their future

Sights to see in St. Paul this fall

Sights to see in St. Paul this fall

NEXT Weather: 4 p.m. report on Oct. 6, 2026

NEXT Weather: 4 p.m. report on Oct. 6, 2026

Twin Cities sheriff singles out Somali gangs amid gun violence spree

Twin Cities sheriff singles out Somali gangs amid gun violence spree

Twin Cities communities demand answers amid string of shootings

Twin Cities communities demand answers amid string of shootings

NEXT Weather: Noon report for Minnesota on Oct. 6, 2026

NEXT Weather: Noon report for Minnesota on Oct. 6, 2026

How you doin'? A simple question with profound implications

How you doin'? A simple question with profound implications

"Live. Laugh. Learn." raising cancer awareness for BIPOC community

"Live. Laugh. Learn." raising cancer awareness for BIPOC community

Man accused of throwing dozens of Lime scooters off bridge

Man accused of throwing dozens of Lime scooters off bridge

Get ready for open enrollment season

Get ready for open enrollment season

Monopoly season has arrived at McDonald's

Monopoly season has arrived at McDonald's

Why are IQ scores dropping in the U.S.?

Why are IQ scores dropping in the U.S.?

NEXT Weather: 9 a.m. report for Minnesota on Oct. 6, 2026

NEXT Weather: 9 a.m. report for Minnesota on Oct. 6, 2026

The Fox and Pantry keeps connection at its core

The Fox and Pantry keeps connection at its core

4 arrested in Eden Prairie gas station shooting

4 arrested in Eden Prairie gas station shooting

Vance Boelter's state murder trial delayed, and more headlines

Vance Boelter's state murder trial delayed, and more headlines

Police gather at Edina hospital following Minneapolis shooting

Police gather at Edina hospital following Minneapolis shooting

Police converge in Bloomington amid possible shooting

Police converge in Bloomington amid possible shooting

NEXT Weather: 6 a.m. report for Minnesota on Oct. 6, 2026

NEXT Weather: 6 a.m. report for Minnesota on Oct. 6, 2026

10 p.m. forecast for Minnesota from Oct. 5, 2026 | NEXT Weather

10 p.m. forecast for Minnesota from Oct. 5, 2026 | NEXT Weather

When is the best time to book holiday travel?

When is the best time to book holiday travel?

Players, fans return to Eden Prairie for game suspended by homecoming shooting

Players, fans return to Eden Prairie for game suspended by homecoming shooting

Community members call for solutions to gun violence in Edina

Community members call for solutions to gun violence in Edina

6 p.m. forecast for Minnesota from Oct. 5, 2026 | NEXT Weather

6 p.m. forecast for Minnesota from Oct. 5, 2026 | NEXT Weather

Minnesota typography professor's art to be displayed at the Vatican

Minnesota typography professor's art to be displayed at the Vatican

Demuth and Klobuchar each pitch their plan for Minnesota's economy

Demuth and Klobuchar each pitch their plan for Minnesota's economy

Minnesota family seeks answers after Medica changes children's nursing coverage

Minnesota family seeks answers after Medica changes children's nursing coverage

St. Paul dance instructor is teaching people of all ages, abilities

St. Paul dance instructor is teaching people of all ages, abilities

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