Experts say air conditioners could be trapping, recirculating wildfire smoke particles
Though not to be compared with last Thursday, there's now a concern that without proper filtration indoors, the harmful air can stick around much longer.
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Though not to be compared with last Thursday, there's now a concern that without proper filtration indoors, the harmful air can stick around much longer.
Experts say there is a common misconception that air conditioning units filter the air, but instead, it pulls in outside air and recirculate particles that have settled indoors.
Chicago air quality was the worst in the world again Monday morning with Canadian wildfire smoke lingering in the area.
Chicago air quality was the worst in the world again Monday morning with Canadian wildfire smoke lingering in the area. Darius Johnson reports.
The air quality in Chicago is not as bad as last week, but it is still unhealthy for sensitive groups. Darius Johnson reports.
Smoke from the Canadian wildfires was back to choking Chicago air on Sunday after a break for the first part of the weekend.
Smoke from the Canadian wildfires was back to choking Chicago air on Sunday after a break for the first part of the weekend. Marissa Perlman reports.
Storms are expected during the window from 2 p.m. to 6 p.m., with the best chance of stronger storms south of I-80.
With wildfire smoke clearing out of Chicago, the city's beaches and outdoor pools are reopening to the public on Friday afternoon.
While Chicago's air quality will get better Friday as the day goes on, a thick layer of smoke was still settled over the city in the morning and the AQI still put Chicago in "hazardous" range.
Chicago air quality is now hazardous as Canadian wildfire smoke has settled in an acrid haze over the area Thursday morning.
Experts on Thursday advised checking the air quality before the temperature for anyone heading outside. Darius Johnson reports.
The Daley Plaza Farmers Market was on as usual Thursday, but some people wore masks to protect themselves from the bad air. Vendors took precautions to stay safe while selling their produce.
Chicago air quality has plummeted deep into unhealthy territory as Canadian wildfire smoke has settled in an acrid haze over the area Thursday morning. Darius Johnson reports.
An Air Quality Alert for the Chicago area is only being made worse by the arrival of drifting smoke from wildfires in Canada and Minnesota.
The combination of a heat wave and an Air Quality Alert from wildfire smoke means athletes in the Chicago area for tournaments and other summer play need to take extra precautions.
An Air Quality Alert for the Chicago area is only being made worse by the arrival of drifting smoke from wildfires in Canada.
An Air Quality Alert is in effect for nearly the entire Chicago area for high levels of ozone pollution during enduring hot and stagnant weather.
Chicago is bracing for another heat wave, less than two weeks after the last one. This time, the heat comes with air quality concerns.
While you may think of ozone as a welcome element in our Earth's atmosphere that protects us from the sun's harmful radiation, ground-level ozone that we breathe is a harmful pollutant.
Chicago has the largest air quality monitoring network in the country thanks to a partnership between the city, the University of Illinois Chicago, and local community groups.
El Paso, Texas, and Los Angeles, California, had some of the worst air pollution in the U.S. last year, according to a new report.
Wildfires are raging on the United States' West Coast. The Gifford Fire has already burned more than 4,000 acres in California.
Meteorologist Kylee Miller has more as the alert will enter its fourth day.
Chicago air quality remains in the top five worst in the world Friday with an Air Quality Alert in place from Canadian wildfire smoke.
Illinois House Speaker Emanuel "Chris" Welch is apologizing for his interactions with a former staff member who brought a sexual harassment complaint against ex-Rep. Harry Benton to his office.
"It really opens up your mind," said one 23-year-old who ditched smartphones to wean herself off social media.
LaPorte County, Indiana, Sheriff's office K9 Bosco, who worked with a deputy who was shot and critically wounded in the line of duty back in May, has retired from service.
An Indiana man will be sentenced to life in prison without parole, after he pleaded guilty to killing two people and seriously wounding three others in a mass shooting in Hammond last year.
The Chicago Bears held a short and light practice Wednesday without pads, but it marked the return of linebacker T.J. Edwards.
Illinois House Speaker Emanuel "Chris" Welch is apologizing for his interactions with a former staff member who brought a sexual harassment complaint against ex-Rep. Harry Benton to his office.
In a CBS News Chicago exclusive, Willie Wilson said he is making another run for mayor in 2027, becoming the 10th candidate to enter the race.
A Dane County judge ruled Tuesday that Wisconsin's paper-only absentee ballot system denies disabled voters the equal opportunity to vote privately and independently, though a trial on electronic voting as a remedy is still ahead.
The Milwaukee mosque leader's former Israeli attorney testified in immigration court that Sarsour was coerced into confessions and was never convicted of any charge linking him to a terrorist organization.
Former state health official Abdul El-Sayed faced Rep. Haley Stevens in the Democratic Senate primary in Michigan in a closely watched contest that represented the latest test of the party's divisions.
The Trump administration is taking aim at power grid operator PJM Interconnection over rising electricity bills that affect Illinois and Indiana residents.
Chicago remained the most bed bug-treated city in the country, according to Orkin's latest annual rankings covering a full year of residential and commercial treatment data.
Illinois Attorney General Kwame Raoul this week warned residents cleaning up from last month's storms to be on the lookout for scams.
Illinois Gov. JB Pritzker on Thursday signed several new consumer protections into law, including a ban on junk fees.
CBS News Chicago has learned that Illinois home insurance premiums are not only higher than the nation's average, but going up faster too.
East Chicago, Indiana is being placed on a precautionary boil water advisory starting Monday morning for planned installations that could affect water safety.
A new Northwestern Medicine study on long COVID shows women show more neurological symptoms than men.
A lettuce supplier to fast-food giant Taco Bell has been linked to a nationwide cyclosporiasis outbreak that has sickened thousands of people, the CDC said.
Chicago just barely made the top 20 in the American College of Sports Medicine's 2026 ranking of the country's fittest cities.
In a major turnaround in the opioid crisis, overdose deaths are falling across Chicago and Cook County.
While the building that housed the flagship Ann Sather restaurant on Belmont Avenue has been torn down, the renowned Chicago restaurant chain is now set to open a new Lakeview location.
Nationally, data centers used 17.4 billion gallons of water in 2023 — a figure projected to reach 72.6 billion gallons by 2028, raising concerns about states' water supplies.
Chicago's Wishbone Restaurant will soon be closing after 36 years in business.
The Old Town Pour House isn't in its namesake neighborhood anymore, but it's returning to the central area of Chicago — specifically in the Loop.
Stella's Diner in Chicago's East Lakeview community has gone out of business.
Crews need about a week and a half to tear down the festival site before the city can begin its own inspection — and past cleanup costs have topped $1 million.
Vincent Pastore played Salvatore "Big Pussy" Bonpensiero on all six seasons of "The Sopranos," which aired from 1999 to 2007.
If weather forces an evacuation, shelter sites are located at Grant Park North, Grant Park South, and Millennium Lakeside Garages, accessible through the vehicle entrance on Michigan Avenue.
Grant Park was filled with tens of thousands of people Thursday for the start of Lollapalooza, as warm weather greeted festivalgoers on day one of the four-day music festival.
Academy Award-winning Irish singer-songwriter Glen Hansard has died in a motorcycle crash.
The Chicago Bears held their second straight padded practice Tuesday with multiple periods of live tackling as they focused in on defense.
Multiple rounds of rain and storms are expected in Chicago on Wednesday. Highs in the upper 70s.
The U.S. has used nearly all of its global stockpile of long-range precision missiles during the war with Iran, two sources with direct knowledge of the matter tell CBS News.
Abdul El-Sayed has won Michigan’s Democratic nomination for U.S. Senate, narrowly defeating U.S. Rep. Haley Stevens in a victory for the party’s progressive wing in a battleground state.
A 21-year-old flight instructor made an emergency landing on a Florida highway after reporting oil pressure issues to air traffic control. Instructor Emily Shelton was flying with a student on his first-ever lesson.
A 21-year-old Chicago man is charged with murder in the shooting deaths of two teens on the Far South Side of Chicago in 2024 and 2025.
Illinois House Speaker Emanuel "Chris" Welch is apologizing for his interactions with a former staff member who brought a sexual harassment complaint against ex-Rep. Harry Benton to his office.
"It really opens up your mind," said one 23-year-old who ditched smartphones to wean herself off social media.
LaPorte County, Indiana, Sheriff's office K9 Bosco, who worked with a deputy who was shot and critically wounded in the line of duty back in May, has retired from service.
An Indiana man will be sentenced to life in prison without parole, after he pleaded guilty to killing two people and seriously wounding three others in a mass shooting in Hammond last year.
A South Holland woman said she was left high and dry after paying thousands of dollars to have her swimming pool fixed, only for the contractor to vanish.
An Elgin man has seen what he thought was the deal of a lifetime turn into weeks of frustration after a fake tracking number scam left him without goods or a refund after buying a game system on eBay.
Nationally, data centers used 17.4 billion gallons of water in 2023 — a figure projected to reach 72.6 billion gallons by 2028, raising concerns about states' water supplies.
A clean energy initiative on the South Side of Chicago is increasing access to solar energy and electric vehicle charging stations, and community members say it's making a difference.
A glitch in the Illinois Tollway system earlier this month left about 100,000 drivers with unexpected warnings about unpaid tolls, some dating back about a year.
The Chicago Bears held a short and light practice Wednesday without pads, but it marked the return of linebacker T.J. Edwards.
The Chicago Cubs spoiled Tarik Skubal's debut with the slumping Los Angeles Dodgers on Tuesday night, posting a 5-1 victory behind key RBI singles by Nico Hoerner and Pete Crow-Armstrong.
The Boston Red Sox extended their winning streak to six games with a 14-2 victory over the Chicago White Sox on Tuesday night.
Standout right tackle Darnell Wright has agreed to lucrative contract extension with the Chicago Bears.
The Chicago Bears held their second straight padded practice Tuesday with multiple periods of live tackling as they focused in on defense.
The Milwaukee mosque leader's former Israeli attorney testified in immigration court that Sarsour was coerced into confessions and was never convicted of any charge linking him to a terrorist organization.
A woman stood charged Tuesday with stabbing a man during a fight in Chicago's East Garfield Park neighborhood this past weekend.
An Illinois State Police trooper who has been arrested and charged with sexually assaulting a bartender in southwest suburban Tinley Park will remain behind bars as he awaits trial.
Thieves stole an ATM from a gas station in Chicago's Roseland community early Monday.
Two young men and a teenage boy were shot and wounded early Monday in Chicago's Park Manor community.
