Better air in classrooms matters beyond COVID. Here's why schools aren't there yet

Open windows and portable air cleaners can help improve ventilation, but many schools in the U.S. are more than 45 years old and need a complete overhaul of their HVAC systems.

Michael Loccisano / Michael Loccisano

Not many people can say the pandemic has made their jobs easier. But in some ways, Tracy Enger can.

“You know, it is such a hallelujah moment, absolutely,” says Enger, who works at the Environmental Protection Agency’s Indoor Environments Division. For more than 25 years, she’s been fighting to improve the air quality inside of America’s schools.

But there are lots of competing demands for limited school budgets. And in the past, getting school districts to prioritize indoor air quality hasn’t been easy. Often, she says, it took some kind of crisis to get schools to focus on the issue – “when they found the mold problem, when their asthma rates were kind of going through the roof.”