Thick black smoke is billowing from a warehouse fire in Boyle Heights, Los Angeles. Firefighters and emergency crews are working hard to tackle the blaze. The fire, which began on a Wednesday, impacts air quality over a large area, affecting many residents.
Air Quality Advisories
The South Coast Air Quality Management District has extended a Particle Pollution Advisory until Sunday at 12:30 p.m. A potential change in wind direction on Sunday could push smoke towards Southeast LA County. If smoke levels remain high, Central and East Los Angeles might continue to be affected.
Health Recommendations
Those with lung issues or smoke sensitivity should avoid outdoor activities. Officials specify concerns about biohazards from spoiled food like bread, poultry, and meat in the 500,000-square-foot cold storage facility. Despite some hazardous materials being mitigated, worries about biohazards persist.
L.A. County Health Officer Muntu Davis says smoke and particles can irritate the respiratory system and worsen heart and lung problems. Vulnerable individuals should wear snug N95 or P100 masks and sign up for updates at alertla.org.
Will Barrett from the American Lung Association advises avoiding smoke exposure, as the fire smoke might contain harmful chemicals and fine particles.
Guidance for Smoke Exposure
- If smoke or ash is present, reduce physical activity and stay indoors.
- Use air purifiers and refrain from using whole-house fans or swamp coolers.
- If necessary to venture outside, wear protective masks.
- Keep windows and doors closed; if it’s too hot, seek public places like libraries for relief.
- Avoid using fireplaces and candles, and clean surfaces with a damp cloth.
- Seek medical attention for severe symptoms such as coughing, chest pain, or shortness of breath. In emergencies, call 911.
Expert Insights
Michael Kleinman, a toxicologist from UC Irvine, highlights the danger of biohazards from spoiled food. He warns against contact with the waste, which could become part of the smoke plume and pose health risks when burned.
Community Resources
Emergency shelters have been set up at Pecan Recreation Center and City Terrace Park. The state is mobilizing technical experts and preparing to distribute respirator masks, air purifiers, and bottled water to affected residents.
Residents can access real-time air-quality updates and further recommendations on staying safe amid ongoing developments.

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