Hertfordshire and Bedfordshire Monitoring Data

Use the tabs below to explore information about the current and historic air pollution levels in this local authority. You can select another local authority using the dropdown menu. 
Fullscreen Map Centre map on LA

Use the map above to explore the monitoring sites in for this local authority and the surrounding area. The table below shows a summary of sites within this local authority - you can click on the site names to get more detailed information.

Active local authority funded monitoring sites

Monitoring Site Ozone
(O3)
Nitrogen Dioxide
(NO2)
Sulphur Dioxide
(SO2)
Particulate Matter
(PM2.5)
Particulate Matter
(PM10)
Highest Pollution Band Last Updated
Bedford Prebend Street n/m27 (1 Low)n/mn/mn/m Low
(Index 1)
19/03/2024
13:00
Dacorum Northchurch High Street n/m18 (1 Low)n/m5 (1 Low)10 (1 Low) Low
(Index 1)
19/03/2024
13:00
East Herts Hertford Gascoyne Way n/m25 (1 Low)n/m5 (1 Low)n/m Low
(Index 1)
19/03/2024
11:00
Hatfield West View n/m24 (1 Low)n/mn/mn/m Low
(Index 1)
19/03/2024
13:00
Hertsmere Borehamwood Roadside n/m17 (1 Low)n/mn/an/a Low
(Index 1)
19/03/2024
13:00
London Luton Airport n/mn/mn/mn/m14 (1 Low) Low
(Index 1)
19/03/2024
13:00
Luton & Dunstable Hospital (Lewsey Road) (sensor) n/mn/an/mn/an/a No Data 31/10/2023
15:00
Luton Airport FutureLuToN 66 (2 Low)12 (1 Low)1 (1 Low)3 (1 Low)4 (1 Low) Low
(Index 2)
19/03/2024
13:00
Luton Beech Hill (sensor) n/mn/an/mn/an/a No Data 31/10/2023
14:00
Luton Downside Primary School (Chaul Lane) (sensor) n/mn/an/mn/an/a No Data 31/10/2023
15:00
Luton Dunstable Road (Bury Park) (sensor) n/mn/an/mn/an/a No Data 31/10/2023
15:00
Luton Dunstable Road East n/m18 (1 Low)n/m4 (1 Low)7 (1 Low) Low
(Index 1)
19/03/2024
13:00
Luton People's Park (sensor) n/mn/an/mn/an/a No Data 31/10/2023
13:00
Stevenage St Georges Way South n/m10 (1 Low)n/m2 (1 Low)n/m Low
(Index 1)
19/03/2024
13:00
Welwyn Hatfield n/mn/mn/m2 (1 Low)n/m Low
(Index 1)
19/03/2024
13:00
Borehamwood Meadow Park n/m14 (1 Low)n/m4 (1 Low)7 (1 Low) Low
(Index 1)
19/03/2024
13:00
Luton A505 Roadside n/m15 (1 Low)n/mn/mn/m Low
(Index 1)
19/03/2024
13:00
Sandy Roadside n/m9 (1 Low)n/m4 (1 Low)13 (1 Low) Low
(Index 1)
19/03/2024
13:00

» Visit the Defra UK-AIR website for details of Defra funded AURN monitoring sites

Local Air Quality Management (LAQM) Reports

» An archive of LAQM reports from some of the Local Authorities within the Herts & Beds network. Reports are also available directly from the Local Authority websites.

Diffusion tube monitoring

» Monthly mean concentrations from Local Authority NO2 diffusion tube networks. Bias corrected concentrations, annual means and LAQM reports are available directly from the Local Authorities.

Closed local authority funded monitoring sites

The following monitoring sites are no longer active in this local authority, but you can still access information about them by clicking on their names below.

Monitoring Site Date Ended
Bedford Kempston [Closed] (HB100) 11/08/2009
Bedford Lurke Street [Closed] (HB010) 23/11/2022
Bedford Stewartby [Closed] (HB101) 01/02/2009
Broxbourne [Closed] (HB102) 01/04/2009
Central Beds Marston Vale [Closed] (HB103) 15/08/2013
Dacorum Hemel Hempstead 1 [Closed] (HB104) 09/04/2003
Dacorum Hemel Hempstead 2 [Closed] (HB105) 08/03/2006
East Herts Anstey [Closed] (HB106) 02/06/2015
East Herts Bishop's Stortford [Closed] (HB107) 30/11/2005
East Herts Sawbridgeworth Background [Closed] (HB108) 02/06/2015
East Herts Sawbridgeworth Roadside [Closed] (HB109) 02/06/2015
East Herts Throcking [Closed] (HB110) 27/07/2009
East Herts Ware [Closed] (HB111) 05/01/2005
Hertsmere Borehamwood 1 [Closed] (HB112) 26/10/2005
Hertsmere Borehamwood Background [Closed] (HB008) 23/05/2017
Hertsmere Borehamwood Bowling Club (HB014) 00/00/0000
Hitchin Stevenage Road [Closed] (HB002) 29/11/2023
Hitchin Stevenage Road Particulates [Closed] (HB003) 31/12/2023
Luton Challney Community College [Closed] (HB113) 02/10/2014
Mid Beds Biggleswade [Closed] (HB114) 29/10/1999
Mid Beds Sandy [Closed] (HB115) 26/07/2008
Mid Beds Silsoe [Closed] (HB116) 18/09/2006
North Herts Baldock 1 [Closed] (HB117) 24/05/2000
North Herts Baldock 2 [Closed] (HB118) 23/05/2002
North Herts Baldock Roadside [Closed] (HB119) 11/09/2012
North Herts Breechwood Green [Closed] (HB120) 22/09/2009
North Herts Hitchin Library [Closed] (HB121) 03/08/2015
North Herts Royston [Closed] (HB122) 13/05/2003
South Beds Dunstable [Closed] (HB123) 28/04/2010
St Albans Fleetville [Closed] (HB124) 29/03/2011
Stevenage Lytton Way [Closed] (HB005) 14/11/2018
Stevenage St Georges Way [Closed] (HB015) 01/11/2021
Three Rivers Rickmansworth [Closed] (HB125) 01/11/2011
Watford Roadside [Closed] (HB126) 15/09/2007
Watford Town Hall [Closed] (HB004) 27/11/2023
Welwyn Hatfield Council Offices [Closed] (HB127) 24/06/2014
Stewartby [Closed] (STEW) 31/12/2008
Overall Pollution Summary:
LOW ( Index 2)
Very High 10
High 9
  8
  7
Moderate 6
  5
  4
Low 3
  2
  1

Guide to map markers: Markers legend: square markers show LA sites, round markers show AURN

Air Quality Alert Service
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