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Publisher
City of York Council
Nitrogen dioxide (NO2) diffusion tube data for monitoring locations within York - both inside and outside Air Quality Management Areas (AQMA), from 2005 onwards. Data is updated on annual basis in...
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Publisher
Sheffield City Council
shows the location of air quality diffusion tubes within Sheffield.
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Location of NOX tubes in Medway
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Publisher
City of York Council
Locations of diffusion tubes for monitoring NO2 levels in York, along with their __latest available bias corrected annual mean__ values. Values currently displayed correspond to __calendar year...
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Publisher
Salford City Council
Salford operates a nitrogen dioxide diffusion tube network to obtain information on the temporal and spatial variation. The network has over 10 years of data at various locations in the area. The...
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Publisher
Greater London Authority
Updated
25 September 2026
Air pollution is monitored by the London boroughs within their own area. There are a number of different monitoring methods available, including passive diffusion tubes. These diffusion tubes are...
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Publisher
London Borough of Camden
This dataset contains the location of air quality diffusion tubes and annual NO2 measurements across the borough of Camden.
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Publisher
North Lincolnshire Council
North Lincolnshire Council Air monitoring - Diffusion Tubes represented as points Air monitoring - Diffusion Tubes digitised with reference to Ordnance Survey MasterMap.
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Publisher
Ipswich Borough Council
Ipswich Borough Council monitors air quality using a combination of continuous analysers and diffusion tubes. The Continuous analyser is serviced by an external contractor and the data is ratified...
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Publisher
Durham County Council
The location of diffusion tubes used to assess the levels of nitrogen dioxide at road or near to the road side in the Durham County Council Local Authority area.
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This data comes from NO2 diffusion tubes, which passively measure NO2. This data is indicative.
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Publisher
Data Mill North
Updated
25 September 2026
Spatial dataset of diffusion tubes used to assess the levels of nitrogen dioxide at road or near to the roadside within Durham. Please see https://www.durham.gov.uk/airquality for more information.
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Publisher
Data Mill North
Updated
25 September 2026
Please Note - This Data set is no longer updated, please visit /dataset/ratified-air-quality---nitrogen-dioxide for updated information. Dataset of annual diffusion tube data used to assess the...
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Publisher
Greater London Authority
Updated
25 September 2026
Data on the Tube upgrade programme between 2003/04 and 2010/11, requested by the London Assembly to inform London Assembly's Transport Committee report, State of the Underground, September 2011....
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Publisher
Greater London Authority
Updated
25 September 2026
Data on the performance of the Tube between 2003/04 and 2010/11, used to inform London Assembly's Transport Committee report, State of the Underground, September 2011. Data includes: delays (lost...
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Publisher
Office for National Statistics
This file contains the digital vector boundaries for Local Health Boards in Wales as at April 2020. The boundaries available are: (BGC) Generalised (20m) - clipped to the coastline (Mean High...
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Publisher
Office for National Statistics
This file contains the digital vector boundaries for Local Health Boards in Wales as at April 2020. The boundaries available are: (BFE) Full Resolution - extent of the realm Contains both Ordnance...
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Publisher
Office for National Statistics
This file contains the digital vector boundaries for Local Health Boards in Wales as at April 2020. The boundaries available are: (BUC) Ultra Generalised (500m) - clipped to the coastline (Mean...
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Publisher
Office for National Statistics
This file contains the digital vector boundaries for Senedd Cymru Constituencies, in Wales, as at December 2022.The boundaries available are: (BUC) Ultra Generalised (500m) - clipped to the...
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Publisher
Office for National Statistics
This file contains the digital vector boundaries for Senedd Cymru Constituencies, in Wales, as at December 2022.The boundaries available are: (BGC) Generalised (20m) - clipped to the coastline...