『Los Angeles shrouded in fine particle haze, air quality ranges from moderate to unhealthy for sensitive groups』のカバーアート

Los Angeles shrouded in fine particle haze, air quality ranges from moderate to unhealthy for sensitive groups

Los Angeles shrouded in fine particle haze, air quality ranges from moderate to unhealthy for sensitive groups

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 Los Angeles wakes up today under a blanket of fine particle haze, with air quality ranging from moderate to unhealthy for sensitive groups across much of the basin. Real-time readings and forecasts show most neighborhoods sitting in the Moderate band, with several inland and central zones reaching into the Unhealthy for Sensitive Groups category, driven primarily by elevated PM2.5, the tiny particles that can lodge deep in the lungs.[1][3][5]

Central Los Angeles, South Central LA, Southeast LA, and the South San Gabriel Valley are among the areas with the highest index values, pushing just above 100 on the Air Quality Index. That level does not typically affect the general population, but people with asthma or heart and lung disease, older adults, pregnant people, and young children face a higher risk of symptoms like coughing, wheezing, and shortness of breath.[1][3][7]

Across coastal and valley communities, most monitors report Moderate conditions, meaning the air is generally acceptable, but unusually sensitive individuals may still notice irritation after prolonged outdoor exertion.[1][3][5][7] Fine particles are the dominant pollutant today, rather than ozone, and overnight stagnation has allowed pollutants to accumulate near the surface, especially in low-lying inland areas.[3][5]

The South Coast Air Quality Management District notes that cleaner periods tend to occur in the morning or early evening, depending on the location, suggesting that residents who wish to exercise outside may want to time their activities for those windows and avoid heavy exertion during the mid-day peak.[3]

This snapshot fits a broader pattern for 2025: Los Angeles County has logged relatively few truly “Good” air days this year and ranks among the worst U.S. counties for unhealthy air, particularly during warm-season pollution episodes.[2] Today’s readings are not in the dangerous or emergency range, but they are another reminder that even on ordinary days, the region’s famous views often come with an invisible cost in the air.

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This content was created in partnership and with the help of Artificial Intelligence AI
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