Greater London Monitoring Data

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: 02/06/2019 - 01/06/2020

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
Barnet Tally Ho (BN1) View pie chart 128 221 17 0 0 0 0 0 0 0
Barnet Chalgrove School (BN2) View pie chart 214 145 7 0 0 0 0 0 0 0
H&F Shepherd's Bush (HF4) View pie chart 34 284 43 5 0 0 0 0 0 0
H&F Hammersmith Town Centre (HF5) View pie chart 2 228 119 9 4 0 0 0 0 0
Hillingdon South Ruislip (HI1) View pie chart 216 134 9 0 0 0 0 0 0 0
Hillingdon Oxford Avenue (HI3) View pie chart 37 290 36 2 1 0 0 0 0 0
Hillingdon Harmondsworth (HIL1) View pie chart 270 93 3 0 0 0 0 0 0 0
Hillingdon Harmondsworth Osiris (HIL4) View pie chart 168 67 1 1 0 0 0 0 0 0
Hillingdon Hayes (HIL5) View pie chart 63 236 52 7 4 1 1 1 1 0
Hounslow Boston Manor Park (HS010) View pie chart 170 89 12 0 1 1 0 0 0 0
Hounslow Cranford (HS2) View pie chart 14 196 92 3 3 4 0 0 0 0
Hounslow Chiswick (HS4) View pie chart 134 202 25 4 1 0 0 0 0 0
Pie chart illustrating the number of days in each band for this monitoring site
Hounslow Brentford (HS5) View pie chart 106 208 36 9 2 2 0 0 0 0
Hounslow Heston (HS6) View pie chart 131 195 21 3 0 0 0 0 0 1
Hounslow Hatton Cross (HS7) View pie chart 179 173 12 1 0 0 0 0 0 0
Hounslow Gunnersbury (HS8) View pie chart 114 229 23 0 0 0 0 0 0 0
Hounslow Feltham (HS9) View pie chart 144 200 18 4 0 0 0 0 0 0
RBKC Cromwell Rd (KC2) View pie chart 251 115 0 0 0 0 0 0 0 0
RBKC Knightsbridge (KC3) View pie chart 143 150 37 6 0 0 0 0 0 0
RBKC Chelsea (KC4) View pie chart 146 206 6 0 0 0 0 0 0 0
RBKC Earls Court Road (KC5) View pie chart 62 243 34 5 2 0 0 0 0 0
Heathrow LHR2 (LHR2) View pie chart 151 202 12 1 0 0 0 0 0 0
Heathrow Bath Road (LHRBR) View pie chart 30 94 2 0 0 0 0 0 0 0
Newham Cam Road (NEW2) View pie chart 218 128 16 4 0 0 0 0 0 0
Newham Wren Close (NEW3) View pie chart 173 166 25 1 1 0 0 0 0 0
Hillingdon Sipson (SIPS) View pie chart 314 50 0 0 0 0 0 0 0 0
Heathrow Green Gates (T55) View pie chart 258 100 7 0 0 0 0 0 0 0
Tower Hamlets - Millwall Park (TH001) View pie chart 14 211 110 19 8 0 0 0 0 0
Tower Hamlets - Victoria Park (TH002) View pie chart 215 123 25 2 1 0 0 0 0 0
Tower Hamlets - Blackwall (TH004) View pie chart 31 263 63 8 1 0 0 0 0 0
Tower Hamlets - Roadside (TH2P) View pie chart 215 74 18 3 0 0 1 0 0 0
Waltham Forest Dawlish Rd (WL1) View pie chart 215 130 18 3 0 0 0 0 0 0
Waltham Forest Crooked Billet (WL4) View pie chart 33 262 61 6 1 0 1 0 0 0
Waltham Forest Leyton (WL5) View pie chart 213 135 16 2 0 0 0 0 0 0