The Journal

Notes on the air we share.

We explore what shapes the air inside buildings and turn research, standards and real-world data into practical ideas people can use.

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Healthy Building Certifications Explained: WELL, LEED and RESET Air

Healthy Building Certifications Explained: WELL, LEED and RESET Air

Compare WELL, LEED and RESET Air, including their focus, verification methods and how each framework assesses building performance.

Maciek Wysota · 27 July 2026 · 3 min read

PM2.5: What It Is, Where It Comes From and Why Buildings Need to Track It

PM2.5: What It Is, Where It Comes From and Why Buildings Need to Track It

Learn what PM2.5 is, where it comes from, how it enters buildings and why continuous indoor monitoring matters for healthier indoor air.

Maciek Wysota · 27 July 2026 · 3 min read

Cleaner air starts with seeing it.

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