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

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: 11/12/2016 - 10/12/2017

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 35 249 65 10 2 2 2 0 0 0
Hounslow Chiswick (HS4) View pie chart 92 105 19 5 5 1 1 3 5 129
Hounslow Brentford (HS5) View pie chart 20 229 87 21 3 2 2 1 0 0
Hounslow Heston (HS6) View pie chart 83 225 45 7 2 2 0 1 0 0
Hounslow Hatton Cross (HS7) View pie chart 171 163 23 2 1 1 0 0 0 0
Hounslow Gunnersbury (HS8) View pie chart 97 161 70 16 6 0 1 4 1 0
Hounslow Feltham (HS9) View pie chart 140 194 26 3 0 1 1 0 0 0