Identification

Title

Air Quality Management Areas - Scotland

Alternative title(s)

aqma

Abstract

Local Authorities have a duty to designate any relevant areas where the air quality objectives are not (or are unlikely to be) being met as Air Quality Management Areas (AQMAs). AQMAs must be designated officially by means of an 'order'. The extent of the AQMA may be limited to the area of exceedance or encompass a larger area. Following the declaration of an AQMA, the local authority is required to develop and implement a plan (Air Quality Action Plan) to improve air quality in that area. AQMAs can be for a combination of NO2, SO2, PM10. Most data provided by local authorities is in polygon format. However, some is provided in point and line form so we are currently buffering such data by the width of a road or so in order to merge them in to the national polygon dataset. Some smaller local authorities e.g. Dundee, use the entire extent of their local authority, as digitised in Ordnance Survey's BoundaryLine dataset, for the AQMA. We have included date of AQMA declaration in our national schema, though many LAs do not currently provide this. Revoked AQMAs are now held in this dataset with a 'Date revoked' attribute

Resource type

dataset

Resource locator

http://www.spatialhub.scot/get-data/

Unique resource identifier

code

sh_aqma

codeSpace

www.spatialhub.scot

Dataset language

eng

Spatial reference system

authority code

EPSG

code identifying the spatial reference system

urn:ogc:def:crs:EPSG::4258

Classification of spatial data and services

Topic category

environment

Keywords

Keyword set

keyword value

Area management/restriction/regulation zones and reporting units

originating controlled vocabulary

title

GEMET - INSPIRE themes, version 1.0

reference date

date type

publication

effective date

2008-06-01

Geographic location

West bounding longitude

-8.02985

East bounding longitude

0.32254

North bounding latitude

60.74784

South bounding latitude

54.38113

Temporal reference

Temporal extent

Begin position

End position

Dataset reference date

date type

revision

effective date

2019-10-31

Frequency of update

asNeeded

Quality and validity

Lineage

This dataset was amalgamated, optimised and published by the Spatial hub. The following quality assurance checks and corrections are carried out on the data: - Polygons are dissolved/ aggregated by key name and local authority. - The minimum polygon area allows in the data is 25 square meters - Checks for invalid geometry types - The maximum angle for any spikes is 3 degrees - Any duplicate geometry is removed from the data - Duplicate key names for polygons are not removed - Polygons with no key names are not removed - Checks for basic geometry i.e. self-intersection Please contact spatialhub@improvementservice.org.uk for more details.

Conformity

Data format

name of format

OGC:WMC

version of format

1.3.0

Constraints related to access and use

Constraint set

Limitations on public access

Constraint set

Use constraints

Use of the data is available to any organisation that is a member of the One Scotland Mapping Agreement. It is not currently commercially available.

Responsible organisations

Responsible party

contact position

Spatial Hub Custodian

organisation name

The Improvement Service

full postal address

Livingston

EH54 6AX

United Kingdom

telephone number

01506 282012

email address

spatialhub@improvementservice.org.uk

responsible party role

pointOfContact

Metadata on metadata

Metadata point of contact