As the right hon. Lady says, poor air quality is a public health issue. That is why we are taking urgent action, and we will ensure that a short delay in the timetable will not result in a delay in the implementation of the plan. By doing that, we will tackle this public health issue as quickly as possible without prejudicing our democratic process.
The need to safeguard public health is one example of a possible exceptional circumstance in which consultations could be published during purdah. However, that would generally apply only in the event of an unexpected public health emergency—such as, for example, contaminated food—which needed to be dealt with instantly, and this instance does not fall into that category.