DPS
Drejtoria e Përgjithshme e Standardizimit

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ISO/DIS 4226

Air quality — General aspects — Units of measurement

General information

Current stage: 40.20 Effective date: Nov 24, 2025

Originator: ISO

Owner: ISO/TC 146/SC 4

Type: International Standard

ICS: 13.040.01 01.060

Scope

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

Life cycle

PREVIOUSLY

PUBLISHED
ISO 4226:2007

NOW

IN_DEVELOPMENT
ISO/DIS 4226
40.20 DIS ballot initiated: 12 weeks
Nov 24, 2025

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