Environmental Targets (Fine Particulate Matter) (England) Regulations 2022

My Lords, can I challenge the noble Baroness on what she said? While it was very interesting, she focused entirely on outdoor pollution from PM. There is a much greater problem of indoor pollution from PM, about which we know much less. There is much less monitoring of it but it comes from damp houses and from the chemicals we use; it comes from a whole range of issues. She referred specifically to the outdoors and then to people suffering from asthma. They are going to be suffering indoors as well, given the pollution inside our houses. This is why the whole of air pollution is so difficult. Theoretically, we know much more about outside pollution, which is much more heavily monitored. Even the noble Lord, Lord Tope, said how difficult it has been to reduce particulates in the City of London, despite how much the traffic has reduced. Yes, this is a hugely complex and very difficult and sensitive issue, but we need to look at it in the round. I have no doubt that by 2030 we will have a huge reduction, but it is going to be totally impossible to get to the required level for every single area in England.