CA AB546

Requires large group health care service plans and large group health insurance policies issued, amended, or renewed on or after January 1, 2026, to cover one portable HEPA purifier for enrollees who are pregnant or diagnosed with asthma or chronic obstructive pulmonary disease (COPD)

Coverage applies when the enrollee resides in or is displaced from a county with a declared local or state wildfire emergency, and the HEPA purifier is prescribed by their health care provider

Limits the cost of the covered HEPA purifier to $500, adjusted for inflation when the lowest-cost qualifying purifier exceeds that amount

Requires health plans and insurers to notify affected enrollees within 30 days of a wildfire emergency declaration about this benefit

Takes effect immediately as an urgency statute and applies retroactively to emergency declarations made on or after January 1, 2025; excludes Medicare supplement policies, Medi-Cal managed care plans, and specialized health plans