MERV Rating

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Wildfire Knowledge Graph · Smoke & Indoor Air

Working definition

A standardized rating used to describe the particle-capture performance of HVAC filters across defined particle-size ranges.

In plain language

A standardized rating used to describe the particle-capture performance of HVAC filters across defined particle-size ranges.

Why it matters

MERV Rating is useful because it separates one specific part of wildfire behaviour, exposure, operations or evidence from nearby concepts that can otherwise be mixed together.

Primary terminology sourceOpen official reference ↗

Tecnobosque explanation reviewed 12 September 2026. Source definitions are authoritative within their stated jurisdiction; the explanatory text above is an independent technical synthesis.