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: 20/05/2018 - 19/05/2019

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 96 235 29 3 1 0 0 0 0 0
London Barnet Chalgrove School (BN2) View pie chart 147 156 26 2 1 0 0 0 0 0
Shepherd's Bush (HF4) View pie chart 5 227 87 6 6 0 1 0 0 0
Hammersmith Town Centre (HF5) View pie chart 0 30 37 3 5 2 0 0 0 0
Hillingdon 1 - South Ruislip (HI1) View pie chart 168 165 24 3 1 0 0 0 0 0
London Hillingdon Oxford Avenue (HI3) View pie chart 49 280 31 2 3 0 0 0 0 0
London Hillingdon Harmondsworth (HIL1) View pie chart 228 118 14 0 0 0 0 0 0 0
London Hillingdon Harmondsworth Os (HIL4) View pie chart 178 153 5 0 0 0 0 0 0 0
London Hillingdon Hayes (HIL5) View pie chart 41 204 89 11 8 8 2 0 0 2
Hounslow Boston Manor Park (HS010) View pie chart 107 74 12 1 0 0 0 0 0 0
Hounslow Cranford (HS2) View pie chart 29 195 89 20 9 1 0 0 0 0
Hounslow Chiswick (HS4) View pie chart 89 220 37 8 7 4 0 0 0 0
Hounslow Brentford (HS5) View pie chart 40 255 51 10 5 4 0 0 0 0
Hounslow Heston (HS6) View pie chart 97 221 32 7 3 0 0 0 0 0
Hounslow Hatton Cross (HS7) View pie chart 87 240 30 6 2 0 0 0 0 0
Hounslow Gunnersbury (HS8) View pie chart 96 228 35 5 0 1 0 0 0 0
Hounslow Feltham (HS9) View pie chart 110 177 30 6 2 1 1 0 0 0
Cromwell Road (KC2) View pie chart 147 212 6 0 0 0 0 0 0 0
Knightsbridge (KC3) View pie chart 47 181 123 11 2 1 0 0 0 0
Chelsea (KC4) View pie chart 101 253 11 0 0 0 0 0 0 0
Earls Court Road (KC5) View pie chart 21 203 119 12 9 1 0 0 0 0
Heathrow LHR2 (LHR2) View pie chart 74 260 23 6 2 0 0 0 0 0
Cam Road (NEW2) View pie chart 189 143 30 3 0 0 0 0 0 0
Wren Close (NEW3) View pie chart 164 180 17 3 1 0 0 0 0 0
Hillingdon Sipson (SIPS) View pie chart 272 92 1 0 0 0 0 0 0 0
Heathrow Green Gates (T55) View pie chart 213 127 21 2 2 0 0 0 0 0
Tower Hamlets - Millwall Park (TH001) View pie chart 9 180 137 26 10 3 0 0 0 0
Tower Hamlets - Victoria Park (TH002) View pie chart 165 167 23 3 6 1 0 0 0 0
Tower Hamlets - Blackwall (TH004) View pie chart 27 270 50 6 9 2 1 0 0 0
Tower Hamlets - Roadside (TH2P) View pie chart 17 14 4 4 0 0 0 0 0 0
Waltham Forest Dawlish Rd (WL1) View pie chart 184 151 18 4 6 2 0 0 0 0
Waltham Crooked Billet (WL4) View pie chart 24 255 63 9 9 2 1 0 0 1
Waltham Forest Leyton (WL5) View pie chart 172 159 31 2 1 0 0 0 0 0