Summary
Thousands of people in parts of California have been told to stay indoors due to bad air quality. The National Weather Service issued an alert because pollution in the air has reached levels that can harm health, especially for vulnerable groups.
Key Facts
- The National Weather Service sent out an air quality alert for parts of California.
- Areas affected include San Bernardino, Orange, and Riverside counties.
- The air pollution is at levels considered harmful to health.
- People have been advised to stay inside to avoid exposure.
- The warning is particularly important for elderly people, children, and those with heart or lung issues.
- Polluted air can worsen asthma and increase risks of lung disease and infections.
- Residents should limit outdoor activities to avoid harmful effects.
