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: 19/11/2016 - 18/11/2017

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 204 85 30 6 5 4 0 0 1 1
Hitchin Stevenage Road (HB002) View pie chart 178 134 44 4 0 0 0 0 0 0
Hitchin Stevenage Road Particulates (HB003) View pie chart 150 165 34 10 2 0 0 0 0 0
Watford Town Hall (HB004) View pie chart 179 111 23 4 1 0 1 0 0 1
Stevenage Lytton Way (HB005) View pie chart 235 92 27 6 3 0 0 1 1 0
London Luton Airport (HB006) View pie chart 166 146 17 1 0 0 0 0 0 0
Luton Dunstable Road East (HB007) View pie chart 145 181 28 5 2 1 1 0 0 0
Hertsmere Borehamwood Background (HB008) View pie chart 85 72 20 4 3 0 0 1 0 1
Hertsmere Borehamwood Roadside (HB009) View pie chart 62 94 22 7 1 2 0 0 0 1
Bedford Lurke Street (HB010) View pie chart 301 61 1 0 0 0 0 0 0 0
Bedford Prebend Street (HB011) View pie chart 315 50 0 0 0 0 0 0 0 0
East Herts Hertford Gascoyne Way (HB012) View pie chart 156 160 32 7 4 3 0 1 0 1
Dacorum Northchurch High Street (HB013) View pie chart 238 112 13 2 0 0 0 0 0 0
Borehamwood Bowling Club (HB014) View pie chart 132 41 5 0 0 0 0 0 0 0