Clean air refers to undisturbed airflow that reaches a Formula 1 car without being disrupted by another car ahead. When a car drives through air that has not been disturbed by a competitor, its aerodynamics work at maximum efficiency and the car produces its best downforce and cooling performance. Driving in clean air is considered ideal — it’s why race leaders often pull away rapidly once they have a gap. The opposite is dirty air, which reduces performance significantly.
Example: Once he got into clean air after the pit stop, his lap times dropped by nearly a second.
Clean air and slipstream are opposites for different purposes: clean air maximises aerodynamic grip, while slipstream means following a car to reduce drag on straights.
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