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: 22/02/2017 - 21/02/2018

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 29 204 53 3 2 1 0 0 0 0
Hounslow Chiswick (HS4) View pie chart 84 158 21 1 4 0 1 2 3 91
Hounslow Brentford (HS5) View pie chart 31 245 74 14 1 0 0 0 0 0
Hounslow Heston (HS6) View pie chart 100 235 29 1 0 0 0 0 0 0
Hounslow Hatton Cross (HS7) View pie chart 145 199 16 1 0 0 0 0 0 0
Hounslow Gunnersbury (HS8) View pie chart 33 256 68 6 1 0 0 0 0 0
Hounslow Feltham (HS9) View pie chart 155 197 13 0 0 0 0 0 0 0