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: 23/01/2017 - 22/01/2018

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 228 78 22 4 2 3 0 0 0 1
Hitchin Stevenage Road (HB002) View pie chart 97 226 34 1 0 0 0 0 0 0
Hitchin Stevenage Road Particulates (HB003) View pie chart 169 159 28 6 0 0 0 0 0 0
Watford Town Hall (HB004) View pie chart 180 122 12 4 1 0 0 0 0 1
Stevenage Lytton Way (HB005) View pie chart 248 93 17 3 3 0 0 1 0 0
London Luton Airport (HB006) View pie chart 189 141 16 1 0 0 0 0 0 0
Luton Dunstable Road East (HB007) View pie chart 160 183 15 2 2 1 0 0 0 0
Hertsmere Borehamwood Background (HB008) View pie chart 61 45 9 2 3 0 0 0 0 1
Hertsmere Borehamwood Roadside (HB009) View pie chart 84 97 13 3 0 2 0 0 0 1
Bedford Lurke Street (HB010) View pie chart 304 61 0 0 0 0 0 0 0 0
Bedford Prebend Street (HB011) View pie chart 313 52 0 0 0 0 0 0 0 0
East Herts Hertford Gascoyne Way (HB012) View pie chart 170 153 31 4 3 2 0 0 0 1
Dacorum Northchurch High Street (HB013) View pie chart 237 116 11 1 0 0 0 0 0 0
Borehamwood Bowling Club (HB014) View pie chart 183 56 5 0 0 0 0 0 0 0