California note
Keep a generator at least 20 feet from doors and windows
Put a portable generator outdoors at least 20 feet from doors and windows. Never run one inside a home or garage, even with doors or windows open. A porch, balcony, breezeway, carport, or shed can still let exhaust collect or drift indoors.
Carbon monoxide has no color, smell, or taste. Keep working battery-operated carbon monoxide alarms near sleeping areas, and test them before outage season.
If an alarm sounds or anyone has a headache, dizziness, weakness, nausea, vomiting, chest pain, or confusion, get everyone into fresh air and seek emergency medical care. Do not stay inside to hunt for the source.
Where to see it
CDPH carbon monoxide poisoning guidance.
Official sources
Official pages
Reviewed July 14, 2026
Current maps, alerts, conditions, and public safety guidance.
Conditions and public guidance can change quickly. Check the current page before you act.
Related notes
Related California notes
Test smoke and carbon monoxide alarms every month
Monthly testing and smoke-alarm replacement at 10 years are federal safety guidance; California installation duties depend on the dwelling and hazard source.
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