The acute lung injury (ALI) market comprises therapies and devices used to manage the sudden, severe inflammatory response in lung tissue that results in hypoxemia and respiratory failure. Rising ICU admissions for sepsis, trauma, COVID-19, and aspiration events have made ALI a critical concern for hospital systems worldwide, driving demand for rapid diagnostics, lung-protective ventilation technologies, and pharmacologic interventions that can curb progression to ARDS. The acute lung injury market size is projected to reach USD 1.32 billion in 2025 and advance at a CAGR of 6.8% through 2033, underpinned by a growth outlook that favors combination biologics, high-flow nasal cannula systems, and AI-enabled ventilator algorithms. Growth forecast narratives point to industry expansion as regulators fast-track approvals for mesenchymal stem-cell therapies, while payers expand bundled reimbursement for extracorporeal membrane oxygenation (ECMO), collectively reinforcing the market’s resilience against macroeconomic headwinds.