Story perspectives
EPA Warns Californians, Arizonans: Limit Outdoor Activities Due to Pollution
12/9/2025
1 of 1
Story summary
- On December 9, 2025, residents in northeast California and Casa Grande, Arizona were warned to limit outdoor activities from PM2.5 pollution.
- The Environmental Protection Agency (EPA) advised sensitive groups to stay indoors.
- The EPA urged the public to reduce exertion.
- A wood burning ban operates in California's South Coast Air Basin, with exemptions for low-income homes.
- Residents are urged to monitor air quality updates and reduce pollution.
