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Sheffield Diffusion Tubes

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This API provides geospatial data on the location of air quality diffusion tubes deployed across Sheffield, England. Diffusion tubes are passive monitoring devices used to measure concentrations of pollutants such as nitrogen dioxide at fixed points throughout the city. The dataset, published via the UK's data.gov.uk portal, is scoped nationally within the GB open-data framework but pertains specifically to Sheffield's local air quality monitoring network. Access requires an API key. It is useful for mapping monitoring coverage and locating individual tube sites for environmental analysis.shows the location of air quality diffusion tubes within Sheffield.

environmentgeospatial
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Trust score

How is this computed?
63
good

Weighted across five axes. Tap a ring for what it measures.

Data schema (50 fields)

Click a field to see example values.

FieldTypeDescription
objectidoidInternal record identifier.Internal record identifier.
defrasiteidintegerDEFRA site identification number for the monitoring location.DEFRA site identification number for the monitoring location.
xintegerEasting coordinate of the tube location (British National Grid).Easting coordinate of the tube location (British National Grid).
yintegerNorthing coordinate of the tube location (British National Grid).Northing coordinate of the tube location (British National Grid).
latdoubleLatitude of the diffusion tube location.Latitude of the diffusion tube location.
longdoubleLongitude of the diffusion tube location.Longitude of the diffusion tube location.
defrasitenamestringName of the DEFRA monitoring site.Name of the DEFRA monitoring site.
roadnamestringName of the road where the tube is located.Name of the road where the tube is located.
postcodestringPostcode nearest to the diffusion tube location.Postcode nearest to the diffusion tube location.
what3wordsstringWhat3words address for the tube location.What3words address for the tube location.
councilwardstringSheffield council ward containing the tube location.Sheffield council ward containing the tube location.
sitetypestringCategory describing the type of monitoring site.Category describing the type of monitoring site.
tubeownershipstringOrganisation that owns or operates the diffusion tube.Organisation that owns or operates the diffusion tube.
statusstringCurrent operational status of the diffusion tube, e.g. Current.Current operational status of the diffusion tube, e.g. Current.
no2_2003integerAnnual mean NO2 concentration recorded in 2003.Annual mean NO2 concentration recorded in 2003.
no2_2004integerAnnual mean NO2 concentration recorded in 2004.Annual mean NO2 concentration recorded in 2004.
no2_2005integerAnnual mean NO2 concentration recorded in 2005.Annual mean NO2 concentration recorded in 2005.
no2_2006integerAnnual mean NO2 concentration recorded in 2006.Annual mean NO2 concentration recorded in 2006.
no2_2007integerAnnual mean NO2 concentration recorded in 2007.Annual mean NO2 concentration recorded in 2007.
no2_2008integerAnnual mean NO2 concentration recorded in 2008.Annual mean NO2 concentration recorded in 2008.
no2_2009integerAnnual mean NO2 concentration recorded in 2009.Annual mean NO2 concentration recorded in 2009.
no2_2010integerAnnual mean NO2 concentration recorded in 2010.Annual mean NO2 concentration recorded in 2010.
no2_2011integerAnnual mean NO2 concentration recorded in 2011.Annual mean NO2 concentration recorded in 2011.
no2_2012integerAnnual mean NO2 concentration recorded in 2012.Annual mean NO2 concentration recorded in 2012.
no2_2013integerAnnual mean NO2 concentration recorded in 2013.Annual mean NO2 concentration recorded in 2013.
no2_2014integerAnnual mean NO2 concentration recorded in 2014.Annual mean NO2 concentration recorded in 2014.
no2_2015integerAnnual mean NO2 concentration recorded in 2015.Annual mean NO2 concentration recorded in 2015.
no2_2016integerAnnual mean NO2 concentration recorded in 2016.Annual mean NO2 concentration recorded in 2016.
no2_2017doubleAnnual mean NO2 concentration recorded in 2017.Annual mean NO2 concentration recorded in 2017.
no2_2018doubleAnnual mean NO2 concentration recorded in 2018.Annual mean NO2 concentration recorded in 2018.
no2_2019doubleAnnual mean NO2 concentration recorded in 2019.Annual mean NO2 concentration recorded in 2019.
no2_2020doubleAnnual mean NO2 concentration recorded in 2020.Annual mean NO2 concentration recorded in 2020.
no2_2021doubleAnnual mean NO2 concentration recorded in 2021.Annual mean NO2 concentration recorded in 2021.
no2_2022doubleAnnual mean NO2 concentration recorded in 2022.Annual mean NO2 concentration recorded in 2022.
no2_2023doubleAnnual mean NO2 concentration recorded in 2023.Annual mean NO2 concentration recorded in 2023.
no2_2024doubleAnnual mean NO2 concentration recorded in 2024.Annual mean NO2 concentration recorded in 2024.
no2_2025doubleAnnual mean NO2 concentration recorded or projected for 2025.Annual mean NO2 concentration recorded or projected for 2025.
no2_2026doubleAnnual mean NO2 concentration recorded or projected for 2026.Annual mean NO2 concentration recorded or projected for 2026.
no2_2027doubleAnnual mean NO2 concentration recorded or projected for 2027.Annual mean NO2 concentration recorded or projected for 2027.
no2_2028doubleAnnual mean NO2 concentration recorded or projected for 2028.Annual mean NO2 concentration recorded or projected for 2028.
no2_2029doubleAnnual mean NO2 concentration recorded or projected for 2029.Annual mean NO2 concentration recorded or projected for 2029.
no2_2030doubleAnnual mean NO2 concentration recorded or projected for 2030.Annual mean NO2 concentration recorded or projected for 2030.
no2_2031doubleAnnual mean NO2 concentration recorded or projected for 2031.Annual mean NO2 concentration recorded or projected for 2031.
no2_2032doubleAnnual mean NO2 concentration recorded or projected for 2032.Annual mean NO2 concentration recorded or projected for 2032.
no2_2033doubleAnnual mean NO2 concentration recorded or projected for 2033.Annual mean NO2 concentration recorded or projected for 2033.
no2_2034doubleAnnual mean NO2 concentration recorded or projected for 2034.Annual mean NO2 concentration recorded or projected for 2034.
no2_2035doubleAnnual mean NO2 concentration recorded or projected for 2035.Annual mean NO2 concentration recorded or projected for 2035.
pcmlinkroadidstringIdentifier linking the site to a PCM model road link.Identifier linking the site to a PCM model road link.
googlemaps_urlGooglemaps urlstringGoogle Maps link to the tube location.Google Maps link to the tube location.
capsitedefinitionstringSite classification under the Clean Air Programme definitions.Site classification under the Clean Air Programme definitions.

Schema captured from arcgis 20 days ago.

Query the data

Pick columns and a sort, then fetch a live preview straight from the source. Choose an API-filterable column (marked ▾) under “Where” to pick from its list of values.

=

Sample data (3 records)

Record 1x: 436063 · y: 397474
{
  "x": 436063,
  "y": 397474,
  "lat": 53.47277,
  "long": -1.4581596,
  "status": "Current",
  "no2_2003": 37,
  "no2_2004": 31,
  "no2_2005": 34,
  "no2_2006": 35,
  "no2_2007": 34,
  "no2_2008": 30,
  "no2_2009": 34,
  "no2_2010": 30,
  "no2_2011": 28,
  "no2_2012": 29,
  "no2_2013": 36,
  "no2_2014": 37,
  "no2_2015": 32,
  "no2_2016": 30,
  "no2_2017": 25.3,
  "no2_2018": 28,
  "no2_2019": 29,
  "no2_2020": 21.7,
  "no2_2021": 20.8,
  "no2_2022": 24,
  "no2_2023": 19,
  "no2_2024": 17.6,
  "no2_2025": null,
  "no2_2026": null,
  "no2_2027": null,
  "no2_2028": null,
  "no2_2029": null,
  "no2_2030": null,
  "no2_2031": null,
  "no2_2032": null,
  "no2_2033": null,
  "no2_2034": null,
  "no2_2035": null,
  "objectid": 5085,
  "postcode": "S35 2YA",
  "roadname": "White Lane",
  "sitetype": "Roadside",
  "what3words": "trickling.coherent.shrug",
  "councilward": "East Ecclesfield",
  "defrasiteid": 1,
  "defrasitename": "Warren lane SCC CW",
  "pcmlinkroadid": "7758",
  "tubeownership": "SCC",
  "googlemaps_url": "https://www.google.com/maps/search/?api=1&query=53.47277%2C-1.4581596",
  "capsitedefinition": "CAP Primary site"
}
Record 2x: 439994 · y: 390866
{
  "x": 439994,
  "y": 390866,
  "lat": 53.413094,
  "long": -1.3997777,
  "status": "Current",
  "no2_2003": null,
  "no2_2004": 49,
  "no2_2005": 55,
  "no2_2006": 57,
  "no2_2007": 50,
  "no2_2008": 44,
  "no2_2009": 48,
  "no2_2010": 46,
  "no2_2011": 45,
  "no2_2012": 44,
  "no2_2013": 49,
  "no2_2014": 47,
  "no2_2015": 47,
  "no2_2016": 40,
  "no2_2017": 38.7,
  "no2_2018": 35,
  "no2_2019": 39,
  "no2_2020": 30.6,
  "no2_2021": 31.3,
  "no2_2022": 35,
  "no2_2023": 29.7,
  "no2_2024": 30,
  "no2_2025": null,
  "no2_2026": null,
  "no2_2027": null,
  "no2_2028": null,
  "no2_2029": null,
  "no2_2030": null,
  "no2_2031": null,
  "no2_2032": null,
  "no2_2033": null,
  "no2_2034": null,
  "no2_2035": null,
  "objectid": 5086,
  "postcode": "S9 1UB",
  "roadname": "Bawtry Gate",
  "sitetype": "Urban Background",
  "what3words": "cool.trap.forum",
  "councilward": "Darnall",
  "defrasiteid": 2,
  "defrasitename": "7 Bawtry Gate SCC CW",
  "pcmlinkroadid": null,
  "tubeownership": "SCC",
  "googlemaps_url": "https://www.google.com/maps/search/?api=1&query=53.413094%2C-1.3997777",
  "capsitedefinition": "CAP Tertiary site"
}
Record 3x: 440045 · y: 390884
{
  "x": 440045,
  "y": 390884,
  "lat": 53.413252,
  "long": -1.3990082,
  "status": "Current",
  "no2_2003": null,
  "no2_2004": 54,
  "no2_2005": 60,
  "no2_2006": 62,
  "no2_2007": 59,
  "no2_2008": 52,
  "no2_2009": 55,
  "no2_2010": 51,
  "no2_2011": 51,
  "no2_2012": 47,
  "no2_2013": 58,
  "no2_2014": 56,
  "no2_2015": 55,
  "no2_2016": 47,
  "no2_2017": 43.9,
  "no2_2018": 41,
  "no2_2019": 44,
  "no2_2020": 34.9,
  "no2_2021": 36.2,
  "no2_2022": 46.3,
  "no2_2023": 36.9,
  "no2_2024": 34.8,
  "no2_2025": null,
  "no2_2026": null,
  "no2_2027": null,
  "no2_2028": null,
  "no2_2029": null,
  "no2_2030": null,
  "no2_2031": null,
  "no2_2032": null,
  "no2_2033": null,
  "no2_2034": null,
  "no2_2035": null,
  "objectid": 5087,
  "postcode": "S9 1UA",
  "roadname": "Bawtry Road",
  "sitetype": "Roadside",
  "what3words": "trades.tribes.stole",
  "councilward": "Darnall",
  "defrasiteid": 3,
  "defrasitename": "47 Bawtry Road SCC CW",
  "pcmlinkroadid": "17332",
  "tubeownership": "SCC",
  "googlemaps_url": "https://www.google.com/maps/search/?api=1&query=53.413252%2C-1.3990082",
  "capsitedefinition": "CAP Primary site"
}

Live sample captured at profiling time — values may have changed upstream.

Verification Status

Using the API

Configuration

Base URL
https://sheffieldcitycouncil.cloud.esriuk.com/server/rest/services/AGOL/INSPIRE/FeatureServer/1/query?outFields=*&where=1%3D1

Query examples

Stored only in this browser. Runs go directly from your browser to the API — the key is never sent through our servers.

curl -s 'https://sheffieldcitycouncil.cloud.esriuk.com/server/rest/services/AGOL/INSPIRE/FeatureServer/1?f=json' -H 'Accept: application/json'

Layer definition: fields, geometry type, capabilities.

Full API documentation ↗

Machine-readable & source

JSON
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