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: 11/11/2016 - 10/11/2017

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 202 87 30 6 5 4 0 0 1 1
Hitchin Stevenage Road (HB002) View pie chart 173 134 47 5 0 0 0 0 0 0
Hitchin Stevenage Road Particulates (HB003) View pie chart 148 166 35 10 2 0 0 0 0 0
Watford Town Hall (HB004) View pie chart 180 110 23 4 1 0 1 0 0 1
Stevenage Lytton Way (HB005) View pie chart 232 95 27 6 3 0 0 1 1 0
London Luton Airport (HB006) View pie chart 168 145 17 1 0 0 0 0 0 0
Luton Dunstable Road East (HB007) View pie chart 145 180 29 5 2 1 1 0 0 0
Hertsmere Borehamwood Background (HB008) View pie chart 90 75 20 4 3 0 0 1 0 1
Hertsmere Borehamwood Roadside (HB009) View pie chart 64 99 23 7 1 2 0 0 0 1
Bedford Lurke Street (HB010) View pie chart 294 68 1 0 0 0 0 0 0 0
Bedford Prebend Street (HB011) View pie chart 312 53 0 0 0 0 0 0 0 0
East Herts Hertford Gascoyne Way (HB012) View pie chart 152 164 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
Pie chart illustrating the number of days in each band for this monitoring site
Borehamwood Bowling Club (HB014) View pie chart 127 39 5 0 0 0 0 0 0 0