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: 17/09/2018 - 16/09/2019

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
Tally Ho (BN1) View pie chart 142 190 29 2 1 0 0 0 0 0
London Barnet Chalgrove School (BN2) View pie chart 174 133 22 2 1 0 0 0 0 0
Shepherd's Bush (HF4) View pie chart 20 246 79 7 4 0 1 0 0 0
Hammersmith Town Centre (HF5) View pie chart 0 110 75 5 5 2 0 0 0 0
Hillingdon 1 - South Ruislip (HI1) View pie chart 203 132 23 2 1 0 0 0 0 0
London Hillingdon Oxford Avenue (HI3) View pie chart 54 275 31 2 3 0 0 0 0 0
London Hillingdon Harmondsworth (HIL1) View pie chart 243 109 13 0 0 0 0 0 0 0
London Hillingdon Harmondsworth Os (HIL4) View pie chart 218 134 5 1 0 0 0 0 0 0
London Hillingdon Hayes (HIL5) View pie chart 45 220 73 9 6 8 2 0 0 2
Hounslow Boston Manor Park (HS010) View pie chart 173 110 21 1 2 2 0 0 0 0
Hounslow Cranford (HS2) View pie chart 9 226 108 11 7 4 0 0 0 0
Hounslow Chiswick (HS4) View pie chart 130 186 32 6 7 4 0 0 0 0
Hounslow Brentford (HS5) View pie chart 100 212 32 9 5 4 0 0 0 0
Hounslow Heston (HS6) View pie chart 120 203 32 7 3 0 0 0 0 0
Hounslow Hatton Cross (HS7) View pie chart 135 198 24 6 2 0 0 0 0 0
Hounslow Gunnersbury (HS8) View pie chart 116 206 38 4 0 1 0 0 0 0
Hounslow Feltham (HS9) View pie chart 130 165 25 5 1 1 0 0 0 0
Cromwell Road (KC2) View pie chart 172 189 4 0 0 0 0 0 0 0
Knightsbridge (KC3) View pie chart 52 173 101 19 2 1 0 0 0 1
Chelsea (KC4) View pie chart 103 251 7 0 0 0 0 0 0 0
Earls Court Road (KC5) View pie chart 40 207 81 7 9 1 0 0 0 0
Heathrow LHR2 (LHR2) View pie chart 99 237 22 5 2 0 0 0 0 0
Cam Road (NEW2) View pie chart 199 133 30 3 0 0 0 0 0 0
Wren Close (NEW3) View pie chart 188 156 17 3 1 0 0 0 0 0
Hillingdon Sipson (SIPS) View pie chart 273 91 1 0 0 0 0 0 0 0
Heathrow Green Gates (T55) View pie chart 230 114 17 2 2 0 0 0 0 0
Tower Hamlets - Millwall Park (TH001) View pie chart 10 204 131 13 6 1 0 0 0 0
Tower Hamlets - Victoria Park (TH002) View pie chart 194 136 25 3 6 1 0 0 0 0
Tower Hamlets - Blackwall (TH004) View pie chart 43 276 29 5 9 2 1 0 0 0
Tower Hamlets - Roadside (TH2P) View pie chart 91 18 5 4 0 0 0 0 0 0
Waltham Forest Dawlish Rd (WL1) View pie chart 216 118 19 4 6 2 0 0 0 0
Waltham Crooked Billet (WL4) View pie chart 28 256 61 6 9 2 1 0 0 0
Waltham Forest Leyton (WL5) View pie chart 205 127 30 2 1 0 0 0 0 0