London Borough of Hounslow

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 London Borough of Hounslow

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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: 26/09/2017 - 25/09/2018

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
Hounslow Cranford (HS2) View pie chart 51 108 28 13 5 1 0 0 0 0
Hounslow Chiswick (HS4) View pie chart 79 239 40 4 2 0 0 0 1 0
Hounslow Brentford (HS5) View pie chart 25 253 73 11 2 0 0 1 0 0
Hounslow Heston (HS6) View pie chart 84 224 33 1 1 0 0 0 0 0
Hounslow Hatton Cross (HS7) View pie chart 93 248 22 2 0 0 0 0 0 0
Hounslow Gunnersbury (HS8) View pie chart 73 254 34 3 1 0 0 0 0 0
Hounslow Feltham (HS9) View pie chart 131 204 26 2 1 0 1 0 0 0