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. 

Days in each index band for Hertfordshire and Bedfordshire

Switch to AURN data

Choose a date period below to view a summary of how many days each site had in each index band.

The number of days in each index band for the following date period is shown below: 14/04/2020 - 13/04/2021

Monitoring site Index 1
Low
Index 2
Low
Index 3
Low
Index 4
Moderate
Index 5
Moderate
Index 6
Moderate
Index 7
High
Index 8
High
Index 9
High
Index 10
Very High
Welwyn Hatfield (HB001) View pie chart 263 64 10 0 2 0 0 0 0 0
Hitchin Stevenage Road (HB002) View pie chart 139 166 16 0 0 0 0 0 0 0
Hitchin Stevenage Road Particulates (HB003) View pie chart 175 158 20 2 1 0 0 0 0 0
Watford Town Hall (HB004) View pie chart 256 91 12 0 0 0 0 0 0 0
London Luton Airport (HB006) View pie chart 279 76 4 0 0 0 0 0 0 0
Luton Dunstable Road East (HB007) View pie chart 200 126 14 2 1 0 0 0 0 0
Hertsmere Borehamwood Roadside (HB009) View pie chart 251 98 15 0 0 0 0 0 0 0
Bedford Lurke Street (HB010) View pie chart 324 14 0 0 0 0 0 0 0 0
Bedford Prebend Street (HB011) View pie chart 307 46 0 0 0 0 0 0 0 0
East Herts Hertford Gascoyne Way (HB012) View pie chart 208 145 10 2 0 0 0 0 0 0
Dacorum Northchurch High Street (HB013) View pie chart 258 86 10 4 1 0 0 0 0 0
Hertsmere Borehamwood Bowling Club (HB014) View pie chart 271 67 12 0 0 0 0 0 0 0
Stevenage St Georges Way (HB015) View pie chart 261 87 15 1 1 0 0 0 0 0
Hatfield West View (HB016) View pie chart 177 26 0 0 0 0 0 0 0 0
Luton Airport FutureLuToN (LA001) View pie chart 0 76 78 22 6 4 2 0 0 1