Summary
The Environmental Protection Agency (EPA) has advised residents in several parts of California to stay indoors due to "unhealthy" levels of air pollution from fine particles known as PM2.5. This pollution could affect people's health, particularly the elderly, children, and those with heart or lung conditions.
Key Facts
- The EPA has warned about high levels of PM2.5 pollution in specific areas of California.
- Affected areas include places like Portola, the Sierra Valley, Mammoth Lakes, and Mono Lake.
- PM2.5 particles are smaller than 2.5 micrometers and can harm health by reaching deep into the lungs.
- Sensitive groups, such as the elderly and children, should limit outdoor activities.
- The EPA suggests using air filters indoors and keeping windows and doors shut.
- People are advised to monitor the AirNow Map and local weather updates for changes.