Of course there are moments when I don’t want to get out of bed but as I used to tell my students once you start something you must finish it. Asthma rates for the under 19s in London do not make for easy reading, they were published just over a week ago. This is a reflection of what is happening across the country. I have had emails from Glasgow, Manchester, Birmingham, Northern Ireland even as far as Delhi. I am doing what I can but it is a public health crisis and it is going to take everyone to work together to solve these issues. There are solutions but they are not easy or popular ones as the air is so filthy. It is going to take everyone lead by Government, Mayors, local councils, community groups, campaigners and individuals. We are all paying the price the impact of air pollution on our health is devastating, respiratory illnesses, heart disease, pneumonia, lung cancer, dementia, obesity and to me worst of all they have found particulate matter in pregnant women. Air pollution is very expensive it costs the NHS £8,000 a day so the sooner we clean up the air the better.