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 41 187 47 3 2 1 1 0 0 0
London Barnet Chalgrove School (BN2) View pie chart 129 102 18 2 1 1 0 0 0 0
Shepherd's Bush (HF4) View pie chart 3 216 125 11 4 0 2 1 2 1
Hillingdon 1 - South Ruislip (HI1) View pie chart 98 176 25 7 1 1 1 0 0 0
London Hillingdon Oxford Avenue (HI3) View pie chart 132 193 31 3 0 2 0 0 0 0
London Hillingdon Harmondsworth (HIL1) View pie chart 77 241 39 8 0 0 0 0 0 0
London Hillingdon Harmondsworth Os (HIL4) View pie chart 243 109 8 1 0 0 0 0 0 1
London Hillingdon Hayes (HIL5) View pie chart 32 226 75 17 10 2 1 2 0 0
Pie chart illustrating the number of days in each band for this monitoring site
Hounslow Cranford (HS2) View pie chart 34 251 64 10 2 2 2 0 0 0
Hounslow Chiswick (HS4) View pie chart 60 135 21 4 6 0 1 3 5 130
Hounslow Brentford (HS5) View pie chart 20 227 89 21 3 2 2 1 0 0
Hounslow Heston (HS6) View pie chart 82 227 45 6 2 2 0 1 0 0
Hounslow Hatton Cross (HS7) View pie chart 136 191 29 3 1 1 0 0 0 0
Hounslow Gunnersbury (HS8) View pie chart 16 228 91 18 5 0 1 4 1 0
Hounslow Feltham (HS9) View pie chart 140 192 28 3 0 1 1 0 0 0
Cromwell Road (KC2) View pie chart 56 251 39 9 5 2 1 0 0 2
Knightsbridge (KC3) View pie chart 36 177 97 31 11 6 1 0 0 0
Chelsea (KC4) View pie chart 44 281 36 2 0 0 0 0 0 0
Earls Court Road (KC5) View pie chart 20 197 137 8 3 0 0 0 0 0
Heathrow LHR2 (LHR2) View pie chart 52 260 35 12 3 1 1 0 1 0
Cam Road (NEW2) View pie chart 117 217 28 3 0 0 0 0 0 0
Wren Close (NEW3) View pie chart 184 148 23 3 0 2 0 0 0 0
Hillingdon Sipson (SIPS) View pie chart 210 125 9 0 0 0 0 0 0 0
Heathrow Oaks Road (T54) View pie chart 221 117 20 2 2 0 0 1 0 1
Heathrow Green Gates (T55) View pie chart 218 124 18 2 1 1 0 0 0 1
Tower Hamlets - Millwall Park (TH001) View pie chart 91 197 45 10 4 2 1 0 0 0
Tower Hamlets - Victoria Park (TH002) View pie chart 207 127 19 8 2 1 1 0 0 0
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 29 249 64 9 8 1 1 2 0 1
Waltham Forest Leyton (WL5) View pie chart 166 156 37 3 0 0 1 1 1 0