air quality

Want cleaner air? Get some houseplants

Question: I am concerned about the air quality within our home, especially in the winter when windows are not left open. A friend advises that houseplants could help purify the ind ...

School buses clean up their act

The familiar puff of black exhaust that follows school buses around town is about to disappear. The Mid Placer Public Schools Transportation Agency completed retrofitting 21 school ...

Placer County air worst on record

The Placer County Air Quality Index (AQI) of 262 recorded on June 26 is the highest and most unhealthy since AQI has been reported. Current air quality in the Auburn area is ranked ...