Summary
Thousands of people in California have been advised to stay indoors due to high air pollution levels. The affected areas include the town of Portland, parts of Plumas National Forest, and Sierra Valley. The Environmental Protection Agency (EPA) suggests that people, especially those who are more sensitive to pollution, avoid staying outside for long periods.
Key Facts
- California residents received warnings about staying indoors on Wednesday.
- Air pollution reached "unhealthy" levels in parts of California.
- The Air Quality Index (AQI) showed fine particle pollution, known as PM2.5, in the unhealthy range.
- The EPA advises sensitive groups to avoid long or intense outdoor activities.
- Sensitive groups include young children, older adults, and people with certain health conditions.
- The general population should reduce long outdoor activities and take breaks if necessary.
- The affected areas include Portland, Plumas National Forest, and Sierra Valley.