from www.yourlocalguardian.co.uk3 weeks agoNorbury, with the lowest average at 7.9g/m, also exceeded WHO's limit, but met it in July with 5g/m.www.yourlocalguardian.co.ukhttps://www.yourlocalguardian.co.uk/news/24241964.surbiton-worst-air-quality-south-london/ Read at www.yourlocalguardian.co.uk #air-quality #south-london #surbiton #who-limits[add][|| ... ]