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California Air Pollution Sparks Health Warnings
2 Apr
Summary
- Air pollution levels are harmful in parts of California.
- Health risks include asthma attacks and lung infections.
- Sensitive groups are at greater risk from poor air quality.

Thousands of Californians have been advised to "keep windows and doors closed" as air pollution has reached hazardous levels. The National Weather Service issued an air quality alert impacting the Coachella Valley and Imperial County from Wednesday evening through Thursday night.
Particle pollution poses significant health risks, potentially leading to asthma attacks, heart and lung disease symptoms, and increased susceptibility to lung infections. While everyone can experience adverse effects, vulnerable populations including the elderly, pregnant individuals, children, and those with pre-existing heart or lung conditions are at higher risk.
Residents in affected areas are urged to reduce their exposure by limiting outdoor activities and minimizing vehicle use. The NWS recommends decreasing the intensity and duration of outdoor exertion and reducing the number of trips made with vehicles.