Distribution of donated HVAC filters

DOH recently received a large donation of high-efficiency HVAC filters. These filters help remove fine particle pollution and improve indoor air quality. They are especially useful during wildfire smoke events. These filters can be used in ventilation systems or as...

Preparing for wildfire smoke

At the beginning of May, the EPA changed several Air Quality Index (AQI) breakpoints that impacted DOH health guidance for fine particle pollution (PM2.5) and lowered quality thresholds from good to moderate. There will likely be more days in the yellow zone because...

Safe and Healthy School Suggestions

Air quality activities guide As wildfire season overlays with the start of the school year, it’s a good time to have staff review the DOH’s revised Guidelines for School Activities Based on Air Quality. Resources on the DOH’s Smoke from Fires Tool...