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: 20/05/2018 - 19/05/2019

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 254 66 28 7 1 1 0 0 0 0
Hitchin Stevenage Road (HB002) View pie chart 142 203 16 0 0 0 0 0 0 0
Hitchin Stevenage Road Particulates (HB003) View pie chart 181 138 35 3 2 1 0 0 0 0
Watford Town Hall (HB004) View pie chart 214 120 26 5 0 0 0 0 0 0
Stevenage Lytton Way (HB005) View pie chart 143 30 4 1 0 0 0 0 0 0
London Luton Airport (HB006) View pie chart 159 153 16 1 0 0 0 0 0 0
Luton Dunstable Road East (HB007) View pie chart 137 193 26 3 5 1 0 0 0 0
Hertsmere Borehamwood Roadside (HB009) View pie chart 208 120 25 11 0 1 0 0 0 0
Bedford Lurke Street (HB010) View pie chart 222 55 0 0 0 0 0 0 0 0
Bedford Prebend Street (HB011) View pie chart 308 57 0 0 0 0 0 0 0 0
East Herts Hertford Gascoyne Way (HB012) View pie chart 173 114 17 0 0 0 0 0 0 0
Dacorum Northchurch High Street (HB013) View pie chart 180 145 29 5 1 1 0 0 0 4
Hertsmere Borehamwood Bowling Club (HB014) View pie chart 201 104 24 6 1 0 0 0 0 0
Stevenage St Georges Way (HB015) View pie chart 109 45 16 4 2 0 1 0 0 0