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: 17/09/2018 - 16/09/2019

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 263 57 23 7 1 1 0 0 0 0
Hitchin Stevenage Road (HB002) View pie chart 148 188 26 0 0 0 0 0 0 0
Hitchin Stevenage Road Particulates (HB003) View pie chart 192 135 32 3 2 1 0 0 0 0
Watford Town Hall (HB004) View pie chart 221 115 24 5 0 0 0 0 0 0
Stevenage Lytton Way (HB005) View pie chart 46 10 1 1 0 0 0 0 0 0
London Luton Airport (HB006) View pie chart 182 133 16 1 0 0 0 0 0 0
Luton Dunstable Road East (HB007) View pie chart 152 175 28 3 5 1 0 0 0 0
Hertsmere Borehamwood Roadside (HB009) View pie chart 214 115 23 12 0 1 0 0 0 0
Bedford Lurke Street (HB010) View pie chart 226 51 0 0 0 0 0 0 0 0
Bedford Prebend Street (HB011) View pie chart 293 72 0 0 0 0 0 0 0 0
East Herts Hertford Gascoyne Way (HB012) View pie chart 221 125 18 0 1 0 0 0 0 0
Dacorum Northchurch High Street (HB013) View pie chart 195 135 24 5 1 1 0 0 0 4
Hertsmere Borehamwood Bowling Club (HB014) View pie chart 231 71 20 6 1 0 0 0 0 0
Stevenage St Georges Way (HB015) View pie chart 222 52 16 4 2 0 1 0 0 0