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: 25/04/2017 - 24/04/2018

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 223 83 23 3 1 0 0 0 0 1
Hitchin Stevenage Road (HB002) View pie chart 103 238 17 0 0 0 0 0 0 0
Hitchin Stevenage Road Particulates (HB003) View pie chart 175 151 31 3 0 0 0 1 0 0
Watford Town Hall (HB004) View pie chart 177 127 13 1 0 0 1 0 0 0
Stevenage Lytton Way (HB005) View pie chart 230 108 23 2 0 0 0 1 0 0
London Luton Airport (HB006) View pie chart 205 133 9 0 1 0 0 0 0 0
Luton Dunstable Road East (HB007) View pie chart 154 191 16 2 0 0 1 0 0 0
Hertsmere Borehamwood Background (HB008) View pie chart 16 12 1 0 0 0 0 0 0 0
Hertsmere Borehamwood Roadside (HB009) View pie chart 74 114 15 0 0 0 1 0 0 0
Bedford Lurke Street (HB010) View pie chart 319 45 0 0 0 0 0 0 0 0
Bedford Prebend Street (HB011) View pie chart 267 67 0 0 0 0 0 0 0 0
East Herts Hertford Gascoyne Way (HB012) View pie chart 165 168 27 3 0 0 0 1 0 0
Dacorum Northchurch High Street (HB013) View pie chart 213 127 22 0 1 0 0 1 0 0
Borehamwood Bowling Club (HB014) View pie chart 233 85 14 0 0 0 1 0 0 0