News Releases Search All News ReleasesView all news releases or search by topic, program, or year. Air Quality MonitoringClimate ChangeHealthIndoor Air Quality & Exposure(-)ResearchSmokeAir Cleaners & Ozone Generating ProductsCalifornia Greenhouse Gas Emission Inventory ProgramCalifornia Methane Research ProgramClean Off-Road Equipment VouchersCommunity Air Protection Program Community HealthExposureHaagen-Smit Clean Air AwardsIn-Use Off-Road Diesel-Fueled Fleets RegulationIndoor AirIndoor Air Cleaner EnforcementMandatory Greenhouse Gas Emissions Reporting(-)Natural and Working Lands Research PlanningSmall Off-Road Engines (SORE)Statewide Greenhouse Gas Monitoring NetworkTruck Loan Assistance ProgramZero-Emission Landscaping Equipment2014 1 results found for Jan 7, 2014Study links wildfire smoke exposure to reduced immune system function Email UpdatesKeep up to date with the latest press releases and media advisories.SubscribeContact Office of Communications comms@arb.ca.gov