Greater London

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 Greater London

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: 08/12/2016 - 07/12/2017

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
Tally Ho (BN1) View pie chart 39 186 50 3 2 1 1 0 0 0
London Barnet Chalgrove School (BN2) View pie chart 131 101 17 2 1 1 0 0 0 0
Shepherd's Bush (HF4) View pie chart 1 199 139 15 5 0 2 1 2 1
Hillingdon 1 - South Ruislip (HI1) View pie chart 86 189 24 7 1 1 1 0 0 0
London Hillingdon Oxford Avenue (HI3) View pie chart 136 190 30 3 0 2 0 0 0 0
London Hillingdon Harmondsworth (HIL1) View pie chart 84 238 37 6 0 0 0 0 0 0
London Hillingdon Harmondsworth Os (HIL4) View pie chart 250 102 8 1 0 0 0 0 0 0
London Hillingdon Hayes (HIL5) View pie chart 48 223 64 18 8 1 1 1 1 0
Hounslow Cranford (HS2) View pie chart 35 255 61 9 2 2 1 0 0 0
Hounslow Chiswick (HS4) View pie chart 75 240 38 8 2 1 0 1 0 0
Hounslow Brentford (HS5) View pie chart 20 226 92 19 3 2 2 1 0 0
Hounslow Heston (HS6) View pie chart 68 241 45 6 2 2 0 1 0 0
Hounslow Hatton Cross (HS7) View pie chart 138 189 26 1 1 1 0 0 0 0
Hounslow Gunnersbury (HS8) View pie chart 22 246 76 13 2 1 1 2 0 1
Hounslow Feltham (HS9) View pie chart 144 187 29 3 0 1 1 0 0 0
Cromwell Road (KC2) View pie chart 54 253 40 8 5 2 1 0 0 2
Knightsbridge (KC3) View pie chart 32 159 116 33 12 6 1 0 0 0
Chelsea (KC4) View pie chart 34 291 36 2 0 0 0 0 0 0
Earls Court Road (KC5) View pie chart 18 190 145 9 3 0 0 0 0 0
Heathrow LHR2 (LHR2) View pie chart 51 261 35 12 3 1 1 0 1 0
Cam Road (NEW2) View pie chart 200 148 17 0 0 0 0 0 0 0
Wren Close (NEW3) View pie chart 236 103 16 5 0 0 0 0 0 0
Pie chart illustrating the number of days in each band for this monitoring site
Hillingdon Sipson (SIPS) View pie chart 195 94 8 0 0 0 0 0 0 0
Heathrow Green Gates (T55) View pie chart 219 123 18 2 1 1 0 0 0 1
Tower Hamlets - Millwall Park (TH001) View pie chart 103 197 41 6 1 1 1 0 0 0
Tower Hamlets - Victoria Park (TH002) View pie chart 190 144 19 8 2 1 1 0 0 0
Tower Hamlets - Blackwall (TH004) View pie chart 13 272 55 15 6 1 0 0 0 2
Waltham Forest Dawlish Rd (WL1) View pie chart 191 142 28 2 0 2 0 0 0 0
Waltham Crooked Billet (WL4) View pie chart 17 255 68 9 7 1 1 2 0 1
Waltham Forest Leyton (WL5) View pie chart 174 151 34 3 0 0 1 1 1 0