A government report out shortly will show that overall, the UK's air quality is improving, although problems persist with ozone pollution in rural areas. Provisional air quality indicators for 2002
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/air-quality-improving-ozone-levels-fluctuate
[2] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ozone-layer