Can indoor air quality data be used as evidence in health and safety audits?

Yes, indoor air quality data can be very useful during health and safety audits, provided it’s collected properly. Monitoring results help demonstrate that a business has identified potential risks and taken steps to assess and control them.

For auditors, documented IAQ data shows due diligence. It supports risk assessments, helps justify control measures, and provides context when staff concerns have been raised. Even where no issues are found, having evidence that checks were carried out is valuable.

That said, the quality of the data matters. Measurements should be relevant to the workplace and collected using appropriate methods. A single spot reading taken without context is far less persuasive than a structured assessment or trend data over time.

When linked to action plans — for example, ventilation improvements or maintenance records — IAQ data becomes a strong part of an organisation’s health and safety narrative.