Behind the scenes, a familiar chain reaction unfolded: dry desert soils lifted by strong winds, urban traffic and industrial emissions layering in, and weather patterns trapping the mixture close to the ground. The result was a toxic haze that crossed borders and blurred the line between natural and man‑made pollution. As agencies rushed out alerts, residents were reminded that the air they trust can change in a single day—and that paying attention isn’t optional, it’s protective.
