Comprehensive cancer care that sets us apart.

that endanger health but do not ofcially break EPA limits.

Helmig’s instruments identi ed temporary local spikes in levels of pollutants like benzene or harmful particulate matter. Cultivando’s monitoring program can identify spikes that are short-lived but impactful on human health, Helmig said.

“Pollution levels go up and down, up and down very dynamically all the time,” he said at a Cultivando community brie ng. “If you hap- pen to go out there at a certain time when levels are low, it may look not too concerning and pretty clean. But you come back just half an hour later and conditions might have changed very dramatically.” is story is from e Colorado Sun, a journalist-owned news outlet based in Denver and covering the state. For more, and to support e Colorado Sun, visit coloradosun.com. e Colorado Sun is a partner in the Colorado News Conservancy, owner of Colorado Community Media.