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snippet: Nitrogen Oxides annual mean Critical Level 2021 – Compliance Status by Zone/Agglomeration
summary: Nitrogen Oxides annual mean Critical Level 2021 – Compliance Status by Zone/Agglomeration
extent: [[-9.32694236397684,49.8304581117681],[2.69445778264158,60.8499291308054]]
accessInformation: Created by Ricardo on behalf of DEFRA
thumbnail: thumbnail/thumbnail.png
maxScale: 1.7976931348623157E308
typeKeywords: ["Data","Service","Feature Service","ArcGIS Server","Feature Access","providerSDS"]
description: Compliance Status is determined using a combination of fixed measurements from Defra’s Automatic Urban Rural Network and supplementary assessment. Supplementary assessment includes modelled background and roadside pollutant values from Defra’s Pollution Climate Mapping Model. This data file, originally published on 29th September 2022, has been republished on 8th February 2024. The re-publication corrected a processing error which caused an underestimate in the NOx emissions from taxis in central London.
licenseInfo: <a href="https://uk-air.defra.gov.uk/data/gis-licences" target="_blank">Custom licence page</a>
catalogPath:
title: Nitrogen Oxides annual mean Zone Agglomeration 2021
type: Feature Service
url:
tags: ["ZonesAgglomerations","NitrogenOxides","NOx","2021"]
culture: en-GB
name: Nitrogen Oxides annual mean Zone Agglomeration 2021_feature
guid: 3C8DA50F-DF24-4397-887B-2DA4BB911487
minScale: 0
spatialReference: British_National_Grid