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."
Higher numbers of complaints about breathing difficulties are thought to have been brought on by record pollution levels in recent days.
Air pollution in the east of England reached the top of the scale as a 'perfect storm' of conditions blanketed parts of the country.
Our region is one of the worst-affected by "very high" levels of air pollution today, with much of the East stuck under a cloud of smog.