Hertfordshire and Bedfordshire

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

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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: 08/12/2016 - 07/12/2017

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 217 83 27 6 3 3 0 0 1 1
Hitchin Stevenage Road (HB002) View pie chart 92 221 44 3 0 0 0 0 0 0
Hitchin Stevenage Road Particulates (HB003) View pie chart 158 162 31 9 1 0 0 0 0 0
Watford Town Hall (HB004) View pie chart 174 121 18 4 1 0 1 0 0 1
Stevenage Lytton Way (HB005) View pie chart 236 96 25 3 3 0 0 1 1 0
London Luton Airport (HB006) View pie chart 175 139 17 1 0 0 0 0 0 0
Luton Dunstable Road East (HB007) View pie chart 147 185 25 2 2 1 1 0 0 0
Hertsmere Borehamwood Background (HB008) View pie chart 75 66 19 2 3 0 0 1 0 1
Hertsmere Borehamwood Roadside (HB009) View pie chart 71 99 23 4 0 2 0 0 0 1
Bedford Lurke Street (HB010) View pie chart 297 65 1 0 0 0 0 0 0 0
Bedford Prebend Street (HB011) View pie chart 313 52 0 0 0 0 0 0 0 0
East Herts Hertford Gascoyne Way (HB012) View pie chart 158 164 28 6 4 2 0 1 0 1
Dacorum Northchurch High Street (HB013) View pie chart 230 122 11 2 0 0 0 0 0 0
Pie chart illustrating the number of days in each band for this monitoring site
Borehamwood Bowling Club (HB014) View pie chart 148 45 5 0 0 0 0 0 0 0