A majority of K-12 schools and day-care centers in Utah have received free air purifiers as a result of a federal grant given to the Utah Department of Health and Human Services.

Brandi O'Brien, senior program coordinator and development associate with Utah Physicians for a Healthy Environment, said the program ended last month, but adds that 75% of K-12 schools now have air purifiers. For Utah's early childhood education centers it is close to 60%. O'Brien said it's hugely impactful," as her group has been advocating for air purifiers as the state grapples with poor air quality, especially along the Wasatch Front.

"We've heard a lot of feedback from school staff and faculty about what a difference the air purifiers have made," she said. "We've even heard it's helped improve morale in the schools, especially between the teachers who kind of really understand the positive impacts of the air purifiers."

O'Brien added while cleaner air is better for health, it also impacts academic success. Medical research has shown cleaner air helps protect long-term brain development and function, while also helping to reduce the transmissibility of infectious diseases. While the deadline for the program has passed, O'Brien said a waitlist has been created to be used if additional funding becomes available.

O'Brien said most schools have received their air purifiers, while others are set to receive theirs in the next week, with the start of the school year right around the corner. The American Lung Association says if your child is experiencing symptoms such as sneezing, coughing or headaches that are worse during the school day but improve at home, that could be telling of poor air quality. O'Brien said they have heard their program is showing positive impacts.

"We've already heard back from a handful of schools that think that they've [air purifiers] helped reduce illnesses in the classrooms and keep students in the classrooms as they are not getting as sick, so they can reduce those absent rates and keep students in school," she said.

O'Brien added the program is also looking to secure more funding to help pay for replacement filters that'll be needed in the future.


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Most school and transit buses on the nation's roadways these days are still powered by diesel engines but in Wisconsin and elsewhere, there is hope about the push to switch to electric fleets.

The city of Racine has made headlines in recent years for leveraging federal funds to add more electric buses operated by its transit agency. Through the Bipartisan Infrastructure Law, school systems such as the Palmyra-Eagle district have used federal grants to buy a handful of buses fitted with such technology.

Susan Mudd, senior policy advocate for the Environmental Law and Policy Center, a Midwest-based advocacy group, said it is encouraging to see the activity, knowing benefits will come with it.

"The children or the riders on buses, including the drivers, will experience zero tailpipe emissions," Mudd pointed out. "Which they now do, because fumes, unfortunately, often get circulated into buses."

The new models also prevent harmful emissions from floating through neighborhoods, especially when buses are idled. Mudd noted it has a positive effect on human health, as well as mitigating climate change, with transportation making up nearly 30% of U.S. carbon emissions. But even with federal support, she acknowledged there are still upfront cost barriers in securing electric buses.

Mudd added implementing charging stations for larger electric bus fleets can be more intensive than infrastructure for passenger models.

"It definitely requires more equipment," Mudd said. "(It) may require transformer upgrades and that is more costly."

Organizations like hers are appealing to utilities to help make the infrastructure more accessible to schools and transit agencies. Once they get past the initial expenses, supporters said the efforts help schools and municipalities reduce their fuel costs.

In late 2022, Wisconsin received more than $25 million in federal support to replace 65 diesel school buses around the state with electric ones.

Groups concerned about air pollution and public health are asking the city councils of Long Beach and Los Angeles and their respective Harbor Commissions to pass major restrictions on air pollution from ships.

The "Ports for People" ordinance would require agencies to take steps to reduce pollution from cargo ships by 50% from 2019 levels by 2030, and to achieve 100% zero-emission shipping at the ports by 2040.

Dawny'all Heydari, climate campaign advocacy manager for the nonprofit Pacific Environment, said ships running on fuel oil and Liquefied Natural Gas need to be phased out.

"These fuels are filled with asthma and cancer-causing pollutants that are contaminating communities like my own in Long Beach with shorter life expectancy and childhood asthma," Heydari pointed out. "We're advocating for a transition to zero-emission fuels to power shipping."

This week, advocates gathered signatures in favor of the ordinance at Cal State Long Beach and presented them to the Long Beach Harbor Commission. They hope to spur the shipping industry to switch to greener alternatives, such as battery electrification, wind-assist propulsion and "green hydrogen" fuel cells.

Heydari noted Pacific Environment has had positive conversations with some members of the Long Beach City Council and hopes they will take bold action in the future.

"When California cities institute these kinds of regulations, it forces the industry to evolve because the industry is primarily concerned about its own profits," Heydari asserted. "It's not really primarily concerned about sustainability, nor public health."

A 2019 study from the City of Long Beach found the average life expectancy in West Long Beach next to the port is eight years shorter than the average in Los Angeles County.

A 2021 study by the California Air Resources Board found fuel pollution from pandemic-era cargo ship congestion at the San Pedro Ports caused an increase in particulate matter emissions equivalent to 100,000 semi tractor-trailers per day.

By Kylie Mohr for KFF Health News.
Broadcast version by Eric Tegethoff for Northern Rockies News Service reporting for the KFF Health News-Public News Service Collaboration

Every year, wildfires across the western U.S. and Canada send plumes of smoke into the sky. When that smoke blows into southwestern Idaho’s Treasure Valley, it blankets Boise-area residents in dirty air.

They include seniors living in long-term care facilities, many of whom are considered an at-risk population for smoke exposure because of respiratory or cardiac diseases.

“An astonishing amount of smoke gets inside these facilities,” said Luke Montrose, an environmental toxicologist and researcher at Colorado State University. Data from monitors Montrose installed in four Idaho long-term care facilities in 2020 showed that large amounts of smoke pollution recorded outside during wildfire season seeped into the facilities. One building let in 50% of the particulate matter outside; another, 100%. In some cases, Montrose said, “it was no better to be inside than to be outside during those smoke events.”

That’s why Montrose has spent the past few years installing more monitors in care facilities across Idaho and Montana. The study is expanding into Colorado this summer.

Understanding and addressing how wildfire smoke affects indoor air quality could help better treat the roughly 1.4 million seniors who live in more than 15,500 Medicare- and Medicaid-certified nursing homes nationwide and nearly a million more who live in assisted living facilities.

“It may be a game-changer for quality of care,” said Robert Vande Merwe, executive director of the Idaho Health Care Association. Vande Merwe helped persuade facilities to join Montrose’s study.

Although residents of the western U.S. have lived with smoky summers for decades, the fallout from wildfires is becoming a nationwide issue. Smoke from blazes in eastern Canada barreled into the densely populated Northeast and Midwest last June, making the skies above Toronto, New York, Chicago, and much of the Atlantic Coast glow an eerie orange. More than 120 million people were under air quality alerts. As wildfires increase in size, intensity, and duration, fueled by a combination of climate change and forest mismanagement, the smoke they generate will likely affect more people.

“We’re going to see more and more smoke events that reach further across the U.S. and across the world,” said Savannah D’Evelyn, a postdoctoral scholar at the University of Washington who studies wildfire smoke and its effects on health. She was not involved in Montrose’s study.

Air pollution from wildfire smoke — a brew of pollutants, water vapor, and fine debris — is a growing public health problem. Tiny particles known as PM 2.5 are small enough to embed deep into people’s lungs and, sometimes, infiltrate their bloodstream. Research has shown PM 2.5 can cause asthma and respiratory inflammation or jeopardize lung function, and the particles have been tied to some cancers. They are especially dangerous for children and people with preexisting heart or lung conditions — including seniors, the focus of Montrose’s work.

“I think honing in on this particular community that is really quite impacted by smoke exposure on the health side of things is really great,” D’Evelyn said. “It’s a gap that needs to be addressed.”

For years, public health officials have told people to go inside on bad air quality days, even though, without testing and filtration, indoor air quality often isn’t much better than what’s outside. Although skilled nursing facilities follow numerous federal regulations to participate in the Medicaid and Medicare programs — covering anything from building safety features, like fire sprinklers, to residents’ rights — indoor air quality isn’t addressed.

“There really aren’t any regulatory standards for indoor air quality, broadly, in any country that I’m aware of,” said Katherine Pruitt, national senior director for policy at the American Lung Association.

Without the few indoor air quality monitors in the study, long-term care facility managers or operators might check their local air quality index, or AQI, on their smartphone’s weather app or by watching the news. But air quality monitors don’t always provide accurate information about the air outside, let alone inside a building. Rural areas are particularly underserved by air quality monitors. According to Montrose, 25% to 30% of skilled nursing facilities in the Mountain West are more than 30 miles from a regulatory-grade monitor. Indoor air quality monitoring is rare outside of studies like Montrose’s.

That’s why Montrose is on a quest to get more air quality monitors placed inside facilities. In 2019, he contacted more than 80 Boise-area nursing and assisted living facilities to gauge interest and concern about wildfire smoke. In 2020, he collected data from indoor and outdoor air quality monitors at four nursing homes — two in the Boise area, others in northern and eastern Idaho. The monitors recorded particulate air pollution inside one facility nearly 17 times what’s considered healthy.

In 2021, data collected from six facilities from July to October — four in Idaho and two in the Missoula, Montana, area — also showed that in some buildings indoor and outdoor air quality were almost identical on smoky days. Montrose repeated the monitoring at four other southern Idaho facilities last summer. The monitors fed real-time data to a dashboard that people running the nursing homes could see and respond to.

Protecting seniors from wildfire smoke is an important piece of wildfire preparedness, yet Montrose acknowledged that conducting research in nursing homes and care facilities has challenges. Unique ethical considerations arise with dementia or Alzheimer’s patients, who can’t give informed consent. Staff turnover makes it hard for researchers like Montrose to establish relationships with facility operators, and asking overburdened nurses or employees to do extra work, like understand and check air quality monitors, can be a nonstarter. Still, Montrose said, people living in long-term care facilities are particularly vulnerable. “If we can protect them, there’s great benefit to our communities,” he said.

Some facilities in Idaho have made changes because of the research. Those include a pre-fire season facility checklist to make sure filtering systems are in good shape and that doors and windows are properly sealed. They also share the area’s AQI as part of their daily morning safety meetings.

Mark Troen, regional maintenance director for 10 Edgewood Healthcare facilities in the Boise area, four of which had monitors last summer, laid out a litany of things he does when the indoor air quality rises past healthy levels: changing air filters to a higher level that traps more particulates, turning off outdoor air intake, and alerting staff to keep doors and windows closed. “Anything I can do to keep the residents safe, I’m all for,” Troen said.

Clinical staff members also have identified which residents have respiratory problems or are immunocompromised. In an intense smoke event, those people may get portable air filtration in their rooms for extra protection.

Troen plans to install air quality monitors from his own budget once the study’s monitors need to be replaced due to age. “To actually see in real time what your indoor air quality is is huge,” he said. “It helps us mitigate some of those problems, rather than waiting until it’s bad.”

Anyone can take steps to improve the air they’re breathing during wildfire season. “It’s pretty easy to clean indoor air,” D’Evelyn said. HEPA air filters are the gold standard but can cost upward of $100; creating a box fan filter is a cheaper alternative. According to D’Evelyn, making even one room in a building a “clean air space” can make a difference during a wildfire.

The American Lung Association’s Pruitt said starting policy conversations about regulating indoor air quality faces many barriers, including perceptions of federal overreach. In the absence of federal regulations, Pruitt believes, the most effective actions would likely come from state or local building codes and ventilation standards. “Policymakers should be looking at the steps that need to be taken to protect people from exposure to hazardous levels of smoke or other outdoor pollutants,” she said.

Montrose is recruiting more nursing homes to install air quality monitors this summer, including additional facilities in Idaho, Colorado, and Montana. Vande Merwe, of the Idaho Health Care Association, said other places in the region — like his hometown, Salt Lake City, which is situated where smoke and other pollutants accumulate — should take note. Breathing in the best possible air could make a big difference for residents’ health and quality of life as they age, he said.


Kylie Mohr wrote this story for KFF Health News.


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