High levels of pollution expected to clear

Air pollution levels remain high across parts of England and Wales but are expected to reduce later today. The South East and Greater London are still experiencing "high" levels of pollution, Defra warns.

View all 49 updates ›

Campaigner: High pollution levels 'pose health risks'

The Healthy Air campaign warns the high pollution levels affecting parts of the UK are "extremely dangerous" and pose "health risks".

Maria Arnold told Daybreak:"It can increase risks of heart attacks, strokes and asthma attacks, so it's something people need to be aware of."

More on this story