びびなび : ロサンゼルス : (アメリカ合衆国) Los Angeles

Health Advisory


**For Immediate Release:
**July 31, 2026

 

*Ozone Advisory*

According to the *South Coast Air Quality Management District (AQMD),* [ https://xappp.aqmd.gov/advisories/Home/Details/93686766-1a5b-498c-8ef7-767bde20e02c?utm_content=&utm_medium=email&utm_name=&utm_source=govdelivery&utm_term= ] a multi-day high ozone (smog) event is expected to affect some Los Angeles County regions due to a heatwave. Air Quality Index (AQI) may reach* “*Unhealthy” levels or higher in Glendora and “Unhealthy for Sensitive Groups” or higher levels in San Fernando Valley, Santa Clarita Valley, and San Gabriel Valley through Sunday evening.

*The advisory will be in effect starting on Friday, July 31 at 10 a.m. until Sunday, August 2 at 8 p.m. Everyone should monitor local Air Quality Index (AQI) updates during this period.*

The following recommendations will help you protect yourself and your family from harmful effects of bad air quality:


* Avoid vigorous physical activity and remain indoors with doors and windows closed.
* Check air quality levels and limit outdoor activities as necessary. See health recommendations for each AQI level [ https://www.aqmd.gov/home/air-quality?utm_content=&utm_medium=email&utm_name=&utm_source=govdelivery&utm_term=#HowCanICheckTheAirQuality ].
* Limit the use of gasoline powered lawn and garden equipment until evening hours.
* Conserve electricity and set your air conditioner at a higher temperature.
* Try to delay trips to the gas station and the use of household chemicals until the evening.
* If it’s too hot to keep windows and doors closed, go to a public place like a library or shopping center to stay cool and protect yourself from harmful air.
* If you experience symptoms like severe coughing, shortness of breath, wheezing, chest pain, palpitations, nausea, or unusual fatigue, contact your doctor or go to urgent care. For life-threatening symptoms, call 911.

For more information, see the EPA Guide for Ozone Pollution [ https://www.airnow.gov/publications/activity-guides/air-quality-activity-guide-for-ozone?utm_content=&utm_medium=email&utm_name=&utm_source=govdelivery&utm_term= ] (PDF).

To stay updated with real-time/forecasted Air Quality in your area, download the South Coast AQMD Mobile App: *http://www.aqmd.gov/mobileapp* [ http://www.aqmd.gov/mobileapp?amp%3Butm_medium=email&%3Butm_name=&%3Butm_source=govdelivery&%3Butm_term=&utm_content=&utm_medium=email&utm_name=&utm_source=govdelivery&utm_term= ] (Also available in Spanish!) or visit *https://www.aqmd.gov/home/air-quality/air-quality-forecasts* [ https://www.aqmd.gov/home/air-quality/air-quality-forecasts?amp%3Butm_medium=email&%3Butm_name=&%3Butm_source=govdelivery&%3Butm_term=&utm_content=&utm_medium=email&utm_name=&utm_source=govdelivery&utm_term= ].


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Public Health is committed to protecting and improving the health of over 10 million residents of Los Angeles County. Through a variety of programs, community partnerships and services, Public Health oversees environmental health, disease control, and community and family health. Nationally accredited by the Public Health Accreditation Board, the LA County Department of Public Health is comprised of nearly 4,100 employees and has an annual budget of $1 billion.

 

"Los Angeles County Department of Public Health works to protect health, 
"prevent disease, and promote health and well-being.

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