The Los Angeles County Department of Public Health has issued a Wind Dust and Ash Advisory until 10 p.m. Tuesday as strong Santa Ana winds could impact air quality across the region.
“Windblown dust and ash contain small particles that can cause irritation or worsen existing health conditions, especially for children, the elderly, pregnant women, and people with heart or lung conditions. may occur,” the ministry said in its advisory.
Here’s what you need to know:
What is a Wind Dust Advisory?
Dust and ash left behind by wildfires that have burned tens of thousands of acres across Southern California can be irritating and dangerous if inhaled. Santa Ana is expected to exacerbate the spread of infection.
“Air quality in some areas may reach levels that are unhealthy or higher for sensitive populations,” the county’s public health department said.
Which areas are most at risk from windblown dust and ash?
The advisory applies to all Los Angeles County residents, but the county’s Department of Public Health said those downwind from recent burn scars are especially at risk.
How can you protect yourself from windblown dust and ash?
The county public health department recommends people take the following precautions:
Stay indoors: Keep windows and doors closed. Use an air purifier or recirculate your air conditioning system to keep indoor air clean. Wear a mask: If you must go outside, wear an N95 or P100 mask to protect your lungs. Secure loose items: Tie down items such as chairs, trash cans, and other outdoor belongings or bring them in so they don’t become a hazard. Protect your eyes: If you’re outdoors, wear goggles to protect your eyes from airborne ash and debris. Stay informed: Monitor updates from local news sources for the latest information on weather conditions, air quality, and potential evacuation advisories. Be prepared: Have a plan for supplies and emergency contacts in case the situation worsens. South Coast AQMD The Los Angeles County Department of Public Health has issued a Wind Dust and Ash Advisory until 10pm Tuesday as strong Santa Ana winds are expected to impact air quality across the region.
The South Coast Air Quality Management District (AQMD) may not be reflected in Air Quality Index (AQI) maps because “windblown ash particles may be too large to be detected by air quality instruments.” He warns.
“However, they are usually visible to the naked eye in the air or on outdoor surfaces,” the AQMD states. “Although the AQI indicates green, there may be harmful ash in the air. If you smell smoke or see ash, please use extreme caution.”
See the Los Angeles County air quality map here.
When will the situation improve?
The county Department of Public Health says conditions are expected to improve by late Wednesday as wind speeds decrease.
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