Hidden in 18 New York City restaurants, air pollution in kitchen spaces reached a median PM2.5 level of 79.6 micrograms per cubic meter, and scientists say some spikes climbed into the thousands, raising new questions about what restaurant workers breathe all shift

Restaurant kitchens are often hotter and noisier, but a new study reveals a hidden danger: dangerously high levels of fine particulate pollution. Researchers found indoor kitchen air quality can plummet during cooking, exceeding outdoor safety standards significantly. This invisible threat poses serious health risks to hospitality workers, highlighting the critical need for effective ventilation and operational changes to protect their well-being.