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

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: 19/07/2017 - 18/07/2018

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 231 84 26 3 1 0 0 0 0 1
Hitchin Stevenage Road (HB002) View pie chart 118 219 20 0 0 0 0 0 0 0
Hitchin Stevenage Road Particulates (HB003) View pie chart 178 141 33 3 0 0 0 1 0 0
Watford Town Hall (HB004) View pie chart 196 148 15 1 0 0 1 0 0 0
Stevenage Lytton Way (HB005) View pie chart 241 102 18 2 0 0 0 1 0 0
London Luton Airport (HB006) View pie chart 191 150 8 0 1 0 0 0 0 0
Luton Dunstable Road East (HB007) View pie chart 150 197 15 1 0 0 1 0 0 0
Hertsmere Borehamwood Roadside (HB009) View pie chart 108 131 20 0 0 0 1 0 0 0
Bedford Lurke Street (HB010) View pie chart 297 61 0 0 0 0 0 0 0 0
Bedford Prebend Street (HB011) View pie chart 270 64 0 0 0 0 0 0 0 0
East Herts Hertford Gascoyne Way (HB012) View pie chart 177 162 21 3 0 0 0 1 0 0
Dacorum Northchurch High Street (HB013) View pie chart 184 153 25 0 1 0 0 1 0 0
Borehamwood Bowling Club (HB014) View pie chart 227 107 22 0 0 0 1 0 0 0