A: MAIN
GRF installs PurpleAir sensors in Rossmoor Sensors placed at pools, MOD and other spots
GRF installs PurpleAir sensors in Rossmoor Sensors placed at pools, MOD and other spots Smoky air from wildfires prompted the closure of the Hillside and Dollar swimming pools on 13 days during August through October. And on Sept. 9, the air was so thick with smoke that Kaiser Permanente called off its outdoor flu clinic at Gateway after three hours when people started getting sick.
November 3, 2020