Cooking Sunday roast causes indoor pollution ‘worse than Delhi’

Scientists say roast meal can make household air dirtier than in sixth most polluted city

Cooking a Sunday roast can drive indoor air pollution far above the levels found in the most polluted cities on Earth, scientists have said.

Researchers found that roasting meat and vegetables, and using a gas hob, released a surge of fine particles that could make household air dirtier than that in Delhi.