title: Air pollution is worse in London than in north of England, Public Health England says.
authors.affiliation: London.
authors.forename: Nigel
authors.initials: N
authors.lastname: Hawkes
mesh_terms: D000397:Air Pollution / Q000706:statistics & numerical data; D004739:England / Q000453:epidemiology; D004781:Environmental Exposure / Q000009:adverse effects / Q000706:statistics & numerical data; D006801:Humans; D008131:London / Q000453:epidemiology; D052638:Particulate Matter / Q000009:adverse effects
chemical_list: D052638:Particulate Matter