Indoor Air Quality in Public Spaces: New Research Insights 2025

A 2025 study in Indoor Environments by Haverinen-Shaughnessy et al. examines air quality in public buildings and the need for improved regulations1. Key findings include:

Health Impacts

Indoor air pollutants like PM₂.₅ and gases such as carbon monoxide can cause immediate health issues and potentially lead to long-term respiratory and cardiovascular problems1.

Regulatory Landscape

• U.S.: 16 official rules and 11 recommendations for public buildings1

• Global variation: Bulgaria has 67 rules, while China has none for public spaces1

• WHO guidelines often not fully implemented due to cost or local factors1

Challenges in Implementation

• Proposed strict limits may be impractical in some settings1

• Urban areas with high outdoor pollution struggle to maintain low indoor PM₂.₅ levels1

• Increased ventilation can significantly raise energy consumption and costs1

Holistic Approach Needed

The study advocates for:

• Considering multiple air quality factors simultaneously1

• Focusing on building features and outdoor air quality improvement1

• Adapting global standards to local needs1

• Collaboration between scientists and policymakers for data-driven, balanced regulations1

This research highlights the importance of indoor air quality in public spaces and homes, emphasizing the need for awareness and proactive measures to ensure clean and safe air1.

This research shows how much indoor air in public places, like where you work or your kids go to school, can affect your health. But the air in your home matters too. You can take control by learning more about what’s in your air and making small changes to keep it clean and safe. Click below to learn how you can better understand the air in your home.