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: 19/10/2017 - 18/10/2018

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 244 79 25 1 1 0 0 0 0 1
Hitchin Stevenage Road (HB002) View pie chart 133 203 22 0 0 0 0 0 0 0
Hitchin Stevenage Road Particulates (HB003) View pie chart 190 132 35 1 0 0 0 1 0 0
Watford Town Hall (HB004) View pie chart 202 148 13 1 0 0 1 0 0 0
Stevenage Lytton Way (HB005) View pie chart 233 108 21 2 0 0 0 1 0 0
London Luton Airport (HB006) View pie chart 196 146 4 0 1 0 0 0 0 0
Luton Dunstable Road East (HB007) View pie chart 154 198 11 1 0 0 1 0 0 0
Hertsmere Borehamwood Roadside (HB009) View pie chart 183 148 21 0 0 0 1 0 0 0
Bedford Lurke Street (HB010) View pie chart 298 61 0 0 0 0 0 0 0 0
Bedford Prebend Street (HB011) View pie chart 265 66 0 0 0 0 0 0 0 0
East Herts Hertford Gascoyne Way (HB012) View pie chart 186 154 23 1 0 0 0 1 0 0
Dacorum Northchurch High Street (HB013) View pie chart 186 152 25 0 1 0 0 1 0 0
Borehamwood Bowling Club (HB014) View pie chart 225 109 19 0 0 0 1 0 0 0