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: 24/07/2018 - 23/07/2019

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 128 206 26 3 1 0 0 0 0 0
London Barnet Chalgrove School (BN2) View pie chart 171 135 23 2 1 0 0 0 0 0
Shepherd's Bush (HF4) View pie chart 17 224 78 7 5 0 1 0 0 0
Hammersmith Town Centre (HF5) View pie chart 0 70 61 4 5 2 0 0 0 0
Hillingdon 1 - South Ruislip (HI1) View pie chart 198 137 22 3 1 0 0 0 0 0
London Hillingdon Oxford Avenue (HI3) View pie chart 61 273 26 2 3 0 0 0 0 0
London Hillingdon Harmondsworth (HIL1) View pie chart 243 104 13 0 0 0 0 0 0 0
London Hillingdon Harmondsworth Os (HIL4) View pie chart 214 139 5 0 0 0 0 0 0 0
London Hillingdon Hayes (HIL5) View pie chart 48 217 73 9 6 8 2 0 0 2
Hounslow Boston Manor Park (HS010) View pie chart 147 89 18 1 2 2 0 0 0 0
Hounslow Cranford (HS2) View pie chart 8 232 101 16 8 0 0 0 0 0
Hounslow Chiswick (HS4) View pie chart 123 195 30 6 7 4 0 0 0 0
Hounslow Brentford (HS5) View pie chart 73 238 33 9 5 4 0 0 0 0
Hounslow Heston (HS6) View pie chart 124 201 30 7 3 0 0 0 0 0
Hounslow Hatton Cross (HS7) View pie chart 125 209 23 6 2 0 0 0 0 0
Hounslow Gunnersbury (HS8) View pie chart 108 216 36 4 0 1 0 0 0 0
Hounslow Feltham (HS9) View pie chart 135 159 25 5 2 1 0 0 0 0
Cromwell Road (KC2) View pie chart 165 196 4 0 0 0 0 0 0 0
Knightsbridge (KC3) View pie chart 51 173 108 19 2 1 0 0 0 1
Chelsea (KC4) View pie chart 114 244 7 0 0 0 0 0 0 0
Earls Court Road (KC5) View pie chart 24 219 96 9 9 1 0 0 0 0
Heathrow LHR2 (LHR2) View pie chart 95 243 19 6 2 0 0 0 0 0
Cam Road (NEW2) View pie chart 209 128 25 3 0 0 0 0 0 0
Wren Close (NEW3) View pie chart 189 158 14 3 1 0 0 0 0 0
Hillingdon Sipson (SIPS) View pie chart 270 94 1 0 0 0 0 0 0 0
Heathrow Green Gates (T55) View pie chart 231 113 17 2 2 0 0 0 0 0
Tower Hamlets - Millwall Park (TH001) View pie chart 8 206 129 17 3 2 0 0 0 0
Tower Hamlets - Victoria Park (TH002) View pie chart 191 141 23 3 6 1 0 0 0 0
Tower Hamlets - Blackwall (TH004) View pie chart 37 281 30 5 9 2 1 0 0 0
Tower Hamlets - Roadside (TH2P) View pie chart 56 15 4 4 0 0 0 0 0 0
Waltham Forest Dawlish Rd (WL1) View pie chart 214 122 17 4 6 2 0 0 0 0
Waltham Crooked Billet (WL4) View pie chart 28 258 58 9 8 2 1 0 0 0
Waltham Forest Leyton (WL5) View pie chart 198 136 28 2 1 0 0 0 0 0