Overview
- EPA and state advisories call on thousands in parts of California to remain indoors after AirNow monitoring showed PM2.5 in Unhealthy or Unhealthy for Sensitive Groups ranges.
- Latest readings list Portola at AQI 148 this morning, with Bakersfield forecast to reach 102 today, both above safe thresholds for vulnerable people.
- Earlier in the episode, AirNow reported Fresno at AQI 148 and Arden Arcade–Del Paso Manor at 113, with Modesto at 103, reflecting persistent elevated fine-particle levels.
- Authorities recommend closed windows, air conditioning on recirculation, HEPA filtration, reduced outdoor activity, and avoiding indoor combustion sources such as smoking or wood burning.
- Health agencies warn that children, older adults, pregnant people, and those with heart or lung disease face higher risk, with some Oregon communities also seeing elevated PM2.5.