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Air Quality Standards & Attainment Status
Air Quality Measurement
Ambient Air Monitoring Network
Greenhouse Gas Measurement Program
Greenhouse Gas Data
GHG Emissions Inventory
Criteria Air Pollutants
Production-Based GHG Emissions Inventory
Consumption-Based GHG Emissions Inventory
Toxic Air Contaminants
Maps Data and Documents
Research & Modeling
Modeling Advisory Committee
Reports Maps and Documents
Forecasting & Data Analysis
Special Air Monitoring Projects
Ultrafine Particulate Matter
Volatile Organic Compounds
Expert Monitoring Panel
Interactive Data Maps
Refinery Flare Monitoring
Community Air Risk Evaluation (CARE) Program
Learn about the Air District’s emissions inventory for toxic air contaminants.
Certain air pollutants have been classified as toxic air contaminants, or TACs, because they are known to increase the risk of cancer and/or other serious health effects, ranging from eye irritation to neurological damage.
Negative health impacts from nearly 200 TACs have been estimated using toxicity information and methods developed by California’s Office of Environmental Health Hazard Assessment.
The Bay Area’s air toxics network includes 16 monitoring sites, five of which were established by the California Air Resources Board and are maintained by the Air District. The remaining 11 sites are operated by the Air District.
The Air District’s Community Air Risk Evaluation, or CARE, program estimates and reports both local and regional impacts of TACs in the Bay Area. Information from the CARE program is used to design and focus effective mitigation measures in areas with highest impacts. Documents are available that describe the TAC modeling emissions inventory development for 2005, 2010, 2015 and 2020.
The table below contains summaries and analyses of TAC air monitoring data, facility risk assessments, health risk assessments, and other relevant information.
Principal Air Quality Engineer, Planning and Research
No Spare the Air Alert in Effect
Air Quality Widgets
Last Updated: 5/24/2015