♻️ap environmental science review

PM10

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

PM10 refers to particulate matter with a diameter less than 10 micrometers. These particles can come from natural sources like dust or human activities such as burning fossil fuels, and can have negative impacts on respiratory health when inhaled.

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