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Allergies and climate: Pollen in Minnesota comes earlier with warmer temperatures

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Allergies and climate: Pollen in Minnesota comes earlier with warmer temperatures


Minnesota is now in peak tree pollen season. If you feel like your allergies have gotten worse in recent years, you are not alone. Studies have linked warming temperatures to longer and more intense pollen seasons in the U.S. And in greenhouse studies, higher concentrations of carbon dioxide have also been found to lead to more pollen production. 

Indeed, according to a quick analysis of local data, higher temperatures in March and April do correlate with the tree pollen season starting sooner right here in Minnesota.  

Between 1993 and 2020, the years for which data is available, the earliest the tree pollen season began was March 12. That was in 2016 when the average low temperature in March and April was 36 degrees — around five degrees above average.  

The latest date a tree pollen season started was nearly seven weeks later on April 29. The average low temperature in March and April that year, 2013, was around 26 degrees — about five degrees below average.   

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Making matters worse for allergy sufferers, at least according to national studies, pollen season is both starting earlier and lasting longer. Locally, average low temperatures in March and April increased by around three degrees from 1993 to 2020.

While the length of the tree pollen season varied considerably over that same period, from 28 days in 2018 to 113 days in 2011, the overall trajectory according to our analysis was an increase of five days over the 26 years. 

Notably, the earlier onset of warmer temperatures isn’t the only factor affecting plant growth and pollen season length. Precipitation as well as temperature changes after pollen season begins can also impact the season’s length. 

Local tree pollen data has not been available for the past few years, according to reporting from KSTP. Pollen forecasts available through many weather apps are modeled from weather and climate data.

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But we do know that, so far, this spring is off to a relatively warm start, with an average daily low temperature in March and April of 34 degrees (three degrees above the recent average).  

Looking at years with similar average low temperatures in the past, we might predict that tree pollen season started sometime during the first couple weeks of April.

Unfortunately for allergy sufferers, it will probably continue for at least a couple more weeks. The earliest that tree pollen season has ended in the past quarter-century was May 14 in 1998. That year, grass pollen season started one week later.   

Influenza drops decisively, RSV remains low 

Influenza hospitalizations in Minnesota dropped again in the most recent weeks’ worth of data, closing any suspicions that the state’s lingering flu season might never come to an end.

The Minnesota Department of Health’s latest data show that hospital admission rates due to the flu are not as low as they are for respiratory syncytial virus, but they appear headed in that direction. 

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U.S. COVID-19 Hospitalizations reach lowest numbers since pandemic’s start 

The Center for Infectious Disease Research and Policy’s latest “Osterholm Update” podcast reports that U.S. hospitalizations for COVID-19 are now at the lowest point in the pandemic, even lower than last summer.

The Centers for Disease Control and Prevention (CDC) is no longer requiring hospitals to report COVID-19 admissions as of May 1.  

Ending the reporting requirement may further cloud our ability to detect possible future changes in COVID-19 activity. For example, new COVID-19 variants are once again on the rise, with the recently dominant JN.1 now giving way to so-called “FLiRT” variants such as KP.2 and KP1.1.

It is unclear whether these newer strains, which the CDC now estimates as comprising one-third of the COVID-19 in circulation nationally, will result in an uptick in hospitalizations. But the new reporting rule will make it more difficult to tell.  

We asked officials at the Minnesota Department of Health whether that change would impact COVID tracking here, and they indicated “we will continue to receive and report the information on our website related to [COVID-19] Hospitalization Trends, Hospitalization Rate by County of Residence, and Demographics (Age Groups, Sex, Race/Ethnicity).

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What will discontinue is data on hospital capacity (currently COVID-19 and Non-COVID-19 Hospitalizations, Overall Beds Available and Beds Available Over Time).” 

Wastewater monitoring remains another important source of COVID-19 monitoring, and the latest data out of the University of Minnesota’s on-going Wastewater Surveillance Study shows more good news: COVID-19 levels are down statewide over the most recent week, including drops in all seven of the study’s regions.  

Measles: Continued global and U.S. spread, but nothing new here in Minnesota 

The Minnesota Department of Health has not reported any new cases of measles in the state since the third case this year was reported back in February. 

Nationally, however, the CDC is reporting seven new cases of the highly infectious disease over the past two weeks, bringing the yearly total to 128. This already makes 2024 the highest year of U.S. measles infection since 2019, when 1,274 cases were identified over the whole year.  

As reported by NPR, measles cases are up worldwide, “from more than 170,000 cases in 2022 to more than 320,000 cases in 2023, according to WHO’s [the World Health Organization’s] count.” Through November 2023, the lasted data reported by WHO, 51 countries were reporting officially defined “large or disruptive” measles outbreaks, roughly triple the number of countries reporting such outbreaks in 2020, and about double the number of nations reporting such outbreaks through most of 2021. 

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Medical services in limbo for thousands of providers amid Minnesota fraud crisis

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Medical services in limbo for thousands of providers amid Minnesota fraud crisis


The Minnesota Department of Human Services is reexamining over 5,000 Medicaid service providers across the state in an effort to combat fraud. 

The federal government said it would pull $2 billion in annual Medicaid funding from Minnesota in January if the state didn’t make changes.

The Minnesota Department of Human Services set out to revalidate thousands of providers in programs deemed high risk for fraud by asking providers to submit verification paperwork and making unannounced site visits. The deadline passed on Sunday. 

The latest data, published on May 27, shows 1,009 providers approved, 1,151 disenrolled and over 3,000 providers with pending applications. 

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Paige Berland and Camille Heyman run Minnesota Behavioral Specialists, providing autism care to children through two locations in the metro area. The women say that after submitting their paperwork, they received letters from DHS with determinations for both locations: the Bloomington center was terminated and the Eagan office was approved. 

“It doesn’t make sense, everything is the same minus the location,” Berland said. “So why was one approved and one wasn’t approved?”

The termination letter said the Bloomington center was denied because they failed to disclose a managing employee during a site visit. Berland disputes that and said she already submitted an appeal.

“We were told to keep running, keep continuing as we are while we go through this process,” she said. “It just means that we don’t have the money coming in.” 

Josh Berg with Accessible Space says they’re also in limbo. Berg said they offer integrated community supports, which means caretakers provide in-unit assistance for people with spinal cord injuries and disabilities. 

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“Most of the folks that we support are wheelchair-bound,” Berg said. “Helping with meals, helping with medications, helping them just live their lives.”

Berg said that of the seven locations where people are housed, the Department of Human Services terminated five and approved two. He believes the timeline to conduct this revalidation process was too aggressive. He said Accessible Space has also submitted an appeal.

“We’re not able to bill for services, we’re not able to start new services for anybody or change any of the supports that they receive,” he said. 

Both Berg and Berland say they agree fraud needs to be dealt with, but they hope Minnesotans who truly need services aren’t left without the services they need. 

“Not just the clients rely on services, but the families do too, so we can’t stop services; that’s not an option on our plate,” Berland said. “We want to continue to provide these services; they are medically necessary.” 

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The Minnesota Department of Human Services said a disenrollment letter could be sent for a few reasons, including failure to submit revalidation application after two notification attempts, failure to provide all requested documents within the required timeframe and failure to meet the criteria required during an on-site visit.

A spokesperson for the Department of Human Services said it’s currently in the process of compiling data from the thousands of applications, but didn’t say when the department would share those final numbers. 



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Minnesota GOP disavows Chauvin moment of silence at convention

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Minnesota GOP disavows Chauvin moment of silence at convention


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The Minnesota Republican Party is distancing itself from a moment of silence held for Derek Chauvin during its state convention, saying the gesture was not part of leadership planning, not included in the official program, and should not be interpreted as a party position.

GOP officials said in a Monday, June 1 Facebook post that the recognition of the former Minneapolis police officer, who was convicted in the killing of George Floyd in 2020, emerged from a spontaneous delegate motion on the convention floor and was not initiated or endorsed by leadership.

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The controversy quickly escalated after state leaders, civil rights attorneys and Democratic lawmakers condemned the action, describing it as deeply harmful to Floyd’s family and inconsistent with accountability under the law.

The moment of silence took place during the party’s annual gathering in Duluth on May 30 and comes just days after the sixth anniversary of Floyd’s murder in Minneapolis, an event that reshaped national debates over policing and racial justice.

Republican Party of Minnesota says gesture was not leadership action

In a statement, the Republican Party of Minnesota said the recognition of Derek Chauvin originated as a delegate request during floor proceedings at the convention in Duluth and was handled under standard rules of order.

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Party officials emphasized that convention leadership, including chair Danny Nadeau, did not propose the motion. The statement said leadership’s role was procedural only, and that presiding over the motion did not reflect agreement with or endorsement of its subject matter.

Officials reiterated that the convention agenda itself did not include any planned recognition of Chauvin and said the episode should not be interpreted as a leadership-driven decision or policy stance.

Minnesota attorney general calls action ‘profound cruelty’

Minnesota Attorney General Keith Ellison, who led the prosecution of Chauvin, sharply criticized the gesture, calling it an “act of profound cruelty” toward the Floyd family.

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Ellison said the timing, so close to the anniversary of Floyd’s death, compounded the harm.

He said honoring Chauvin “dishonors the memory of George Floyd and wounds his loved ones all over again,” and called it “disturbing” to recognize someone convicted of violating his oath as a police officer.

Ellison also said the action was “disrespectful” to law enforcement officers who serve honorably, and reaffirmed that courts had already upheld Chauvin’s conviction through multiple appeals.

Broader backlash and political fallout

Democratic state Rep. Jamie Long called the moment of silence “disgusting,” arguing that Republicans chose to honor a convicted murderer rather than victims of violence or service members.

The gesture also drew criticism from civil rights attorneys Ben Crump and Antonio Romanucci, who represented George Floyd’s family in its civil case after his death. The attorneys called the moment of silence immoral and demanded a retraction and apology, saying it disrespected both the Floyd family and the broader public record of Chauvin’s conviction.

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Floyd was killed on May 25, 2020, when Chauvin, a white former Minneapolis police officer, knelt on his neck for more than nine minutes. Chauvin was later convicted of second-degree murder, third-degree murder and second-degree manslaughter, and sentenced to 22½ years in state prison.

The killing sparked global protests and became a defining moment in the Black Lives Matter movement and debates over policing in the United States.

Chauvin’s conviction has been upheld through multiple appeals, including a denial by the U.S. Supreme Court in 2023, and he is serving his sentence in federal custody.

Party officials say despite the controversy, their focus remains on candidate endorsements and upcoming elections, not the floor action that triggered the backlash.

Reporter Anthony Thompson can be reached at ajthompson@usatodayco.com, or on X @athompsonUSAT.

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Where to watch Chicago White Sox vs Minnesota Twins: TV channel, start time, streaming for Jun. 02

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Where to watch Chicago White Sox vs Minnesota Twins: TV channel, start time, streaming for Jun. 02


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The 2026 MLB season has surpassed the quarter mark, and after each team’s first 40 games, there’s plenty of reasons to tune in all summer long.

Chicago White Sox slugger Munetaka Murakami has already proven doubters wrong by launching 17 home runs, Pittsburgh’s Paul Skenes consistently looks like the best version of himself on the mound and Milwaukee ace Jacob Misiorowski is throwing harder than any starter in the majors.

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The MLB action continues on Tuesday as the Chicago White Sox visit the Minnesota Twins.

Here’s everything you need to know to tune in for the first pitch.

See USA TODAY’s sortable MLB schedule to filter by team or division.

What time is Chicago White Sox vs Minnesota Twins?

First pitch between the Minnesota Twins and Chicago White Sox is scheduled for 7:40 p.m. (ET) on Tuesday, Jun. 02.

How to watch Chicago White Sox vs Minnesota Twins on Tuesday

All times Eastern and accurate as of Tuesday, June 2, 2026, at 6:33 a.m.

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Watch MLB all season long with Fubo

MLB regional blackout restrictions apply

MLB scores, results

MLB scores for Jun. 02 games are available on usatoday.com . Here’s how to access today’s results:

See scores, results for all of today’s games.



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