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: 24/07/2018 - 23/07/2019

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 264 56 23 7 1 1 0 0 0 0
Hitchin Stevenage Road (HB002) View pie chart 144 191 26 0 0 0 0 0 0 0
Hitchin Stevenage Road Particulates (HB003) View pie chart 192 137 30 3 2 1 0 0 0 0
Watford Town Hall (HB004) View pie chart 230 106 24 5 0 0 0 0 0 0
Stevenage Lytton Way (HB005) View pie chart 95 16 1 1 0 0 0 0 0 0
London Luton Airport (HB006) View pie chart 180 132 16 1 0 0 0 0 0 0
Luton Dunstable Road East (HB007) View pie chart 150 179 27 3 5 1 0 0 0 0
Hertsmere Borehamwood Roadside (HB009) View pie chart 216 114 22 12 0 1 0 0 0 0
Bedford Lurke Street (HB010) View pie chart 227 50 0 0 0 0 0 0 0 0
Bedford Prebend Street (HB011) View pie chart 296 69 0 0 0 0 0 0 0 0
East Herts Hertford Gascoyne Way (HB012) View pie chart 225 120 19 0 1 0 0 0 0 0
Dacorum Northchurch High Street (HB013) View pie chart 193 137 24 5 1 1 0 0 0 4
Hertsmere Borehamwood Bowling Club (HB014) View pie chart 234 75 20 6 1 0 0 0 0 0
Stevenage St Georges Way (HB015) View pie chart 173 46 16 4 2 0 1 0 0 0