There is a scientific reason why rainfall is common on weekends - Chris Smith

Naked Scientist Chris Smith says there is a scientific reason why rainfall is common on weekends.

This is often related to pollution, explains Smith.

During the week when industry and commuting and people movement and therefore pollution and emissions are at the greatest, these particles go up into the air and can promote the formation of cloud.

Chris Smith, Naked Scientist

So as they accumulate across the week, you are more likely to have accumulated lots of clouds in the sky nucleated by all these particles which are then desperate to rain come the weekend.

Chris Smith, Naked Scientist

When pollution dips over the weekend, you have cleared the skies out, emptied out all the water, the pollution has gone away and you reset the system, ready to go back to work on Monday morning in the sun.

Chris Smith, Naked Scientist

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