Clouds help prevent summertime ozone from forming over downtown Fresno.
Clouds help prevent summertime ozone from forming over downtown Fresno. Mark Grossi mgrossi@fresnobee.com
Clouds help prevent summertime ozone from forming over downtown Fresno. Mark Grossi mgrossi@fresnobee.com
Earth Log

Earth Log

The latest on the Valley's water and air-quality issues from Mark Grossi

Breathe deep: Valley air quality has best July in two decades

August 04, 2015 08:15 AM

About Mark Grossi

@markgrossi

Mark Grossi has the pulse of the San Joaquin Valley ecosystem, writing since 1993 about subjects such as the region's notorious air quality, the restoration of the San Joaquin River and unhealthy drinking water in rural towns. Twitter: @markgrossi Mark retired from The Bee in October 2015.