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The brief, prepared by the ExpoHealthNet research cluster, calls for stronger EU air quality rules to address ultrafine particles and combined environmental exposures.

Before any clinical work begins, every ClimAIr study must have the right ethical and administrative approvals. A new report explains how the project meets these standards across all participating countries.

Research carried out within ClimAIr by the Finnish Meteorological Institute has contributed to two major Lancet Countdown reports this year: the 2025 global report and the 2026 Europe report. Both assessments track how climate change is affecting human health.

Allergic rhinitis affects one in three people in Western countries, yet it's rarely taken as seriously as it deserves. Dr. Ibon Eguiluz, allergologist and ClimAIr researcher, explains why this disease tops the social cost rankings, how air pollution and climate change are worsening it, and how ClimAIr is developing tools to predict and manage its impact.

Air pollution is invisible. And yet, understanding it well enough to protect public health requires far more than a network of sensors, it requires data, models, institutions, and communities working together. That is exactly what ClimAIr is building.

The ClimAIr project is developing a user-friendly, web-based platform to better understand and address the health impacts of air pollution and climate change. A new ClimAIr report outlines the initial requirements and design approach for this tool, establishing the basis for an Integrated Decision Support System (IDSS) that will enable evidence-based insights on respiratory disease risks and support knowledgeable decision-making across sectors.

In ClimAIr, data protection is not something added at the end, it is the starting point. The entire system is designed to enable advanced AI training while ensuring that sensitive medical information remains under the full control of healthcare providers.

One year into the project, the ClimAIr consortium met in Istanbul to review progress and coordinate the next phase of research on air pollution, climate change and health.

This report developed within the ClimAIr project brings together current evidence on the short-term effects of outdoor air pollution on allergic rhinitis. By reviewing published epidemiological studies conducted in different geographical settings and population groups, it describes how variations in ambient air quality are associated with symptom control and healthcare use. The report supports ongoing scientific efforts to better understand the links between air pollution, climate-related factors, and airway allergic diseases.