On occasion, special monitoring and/or analysis of specific pollutants will be conducted in response to a large number of complaints or out-of-the-ordinary situations to protect the health of the residents of the South Coast Air Basin.
Airborne Radiation Monitoring - Review and assessment of risks due to airborne radiation following the earthquake and tsunami in Japan in 2010
Aliso Canyon Monitoring - Air sampling results and actions taken as a result of a natural gas leak at Southern California Gas's underground storage reservoir in Northridge, CA
Ambient Lead Monitoring at Exide Technologies - Investigation of lead emissions at a lead battery recycling facility in Vernon, CA
Beach Fire Monitoring Results - Air monitoring and sampling in areas adjacent to beaches with fire rings
Compton - Air monitoring to assess levels of the toxic compound hexavalent chromium near several metal-processing facilities in the community
CPV Sentinel Monitoring - Access to data from the CPV Sentinel monitor located downwind of the power plant
Duarte PM10 Monitoring - Access to data from the Duarte PM10 monitoring, which was conducted to address public concerns of possible fugitive dust emissions from the Vulcan Materials Azusa Rock Quarry
ExxonMobil Fluid Catalytic Cracking Unit (FCCU) Startup - Monitoring conducted to assess the restart of equipment following the February 18, 2015 explosion in the Electrostatic Precipitators
ExxonMobil Torrance Refinery Incident Report - 2/18/2015 (PDF) - South Coast AQMD Response and Sampling & Analysis Efforts. Updated Feb. 25, 2015.
Hexavalent Chromium Study - investigation of toxic air pollution in the western areas of Riverside and San Bernardino Counties
Independence Day Fireworks Air Quality Assessment - South Coast AQMD conducts air monitoring during the Independence Day fireworks to evaluate the impact of fireworks emissions on outdoor air quality in the South Coast Air Basin
Maywood commercial building fire - A summary of preliminary results of air samples collected near the fire that broke out on the 3500 block of Fruitland Avenue in Maywood, CA on June 14, 2016
Mecca Odor Study - Odor investigations and air sampling in Mecca, CA
Paramount Air Toxic Investigation - An investigation to identify and address sources of hexavalent chromium that may be impacting the City of Paramount and nearby communities
Rancho Cucamonga Natural Gas Leak - Inspectors took measurements and an air sample to assess air quality near a natural gas leak in Rancho Cucamonga, May, 2017
Wildomar Sampling and Analysis - Collection and analysis of air samples from the Autumnwood area of Wildomar