News Releases Search All News ReleasesView all news releases or search by topic, program, or year. Air Quality MonitoringClimate ChangeHealthIndoor Air Quality & ExposureOn-Road Heavy-Duty Vehicles(-)ResearchSmokeAir Cleaners & Ozone Generating ProductsCalifornia Climate InvestmentsCalifornia Greenhouse Gas Emission Inventory ProgramCalifornia Methane Research ProgramCommunity Air Protection Program Community HealthExposureGreenhouse Gas InventoryHaagen-Smit Clean Air AwardsIn-Use Off-Road Diesel-Fueled Fleets RegulationIndoor AirIndoor Air Cleaner EnforcementMandatory Greenhouse Gas Emissions Reporting(-)Natural and Working Lands Research PlanningStatewide Greenhouse Gas Monitoring NetworkSustainable Communities & Climate Protection ProgramTruck Loan Assistance Program2014 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