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: 27/03/2018 - 26/03/2019

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 250 71 30 4 1 0 0 0 0 0
Hitchin Stevenage Road (HB002) View pie chart 131 211 17 0 0 0 0 0 0 0
Hitchin Stevenage Road Particulates (HB003) View pie chart 188 135 34 1 2 0 0 0 0 0
Watford Town Hall (HB004) View pie chart 216 127 20 2 0 0 0 0 0 0
Stevenage Lytton Way (HB005) View pie chart 175 45 11 1 0 0 0 0 0 0
London Luton Airport (HB006) View pie chart 179 161 6 0 0 0 0 0 0 0
Luton Dunstable Road East (HB007) View pie chart 146 196 20 1 2 0 0 0 0 0
Hertsmere Borehamwood Roadside (HB009) View pie chart 203 129 27 5 0 1 0 0 0 0
Bedford Lurke Street (HB010) View pie chart 230 61 1 0 0 0 0 0 0 0
Bedford Prebend Street (HB011) View pie chart 303 62 0 0 0 0 0 0 0 0
East Herts Hertford Gascoyne Way (HB012) View pie chart 192 144 22 0 0 0 0 0 0 0
Dacorum Northchurch High Street (HB013) View pie chart 189 143 28 4 1 0 0 0 0 0
Hertsmere Borehamwood Bowling Club (HB014) View pie chart 201 106 29 3 1 0 0 0 0 0
Stevenage St Georges Way (HB015) View pie chart 85 28 10 0 1 0 0 0 0 0