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ISO 4226:2007Withdrawn

Air quality — General aspects — Units of measurement

Qualité de l'air — Aspects généraux — Unités de mesurage

This edition has been replaced by ISO 4226:2026.

Abstract / scope

ISO 4226:2008 lays down the units to be used when reporting results of air quality measurements.

Life cycle

Replaces

ISO 4226:1993WithdrawnAir quality — General aspects — Units of measurementInternational Standard · Published 2 Dec 1993 · ISO/TC 146/SC 4

Replaced by

ISO 4226:2026PublishedAir quality — General aspects — Quantities and associated units for reporting results of air quality measurementsInternational Standard · Published 15 Sep 2026 · ISO/TC 146/SC 4