Composite dataset of the Smoke Contol Areas formally ordered by the 3 boroughs that now form CWAC. Smoke Control Area Orders can be made under varions editions of the Clean Air Acts and may cover...
The California Air Districts layer is a polygon shapefile coverage representing the California air pollution control and air quality management distric
Since December 1997 each local authority in the UK has been carrying out a review and assessment of air quality in their area. This involves measuring air pollution and trying to predict how it will c
