London Borough of Hounslow 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 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: 16/01/2021 - 15/01/2022

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 Chiswick (HS4) View pie chart 177 169 15 2 2 0 0 0 0 0
Hounslow Brentford (HS5) View pie chart 89 231 37 3 4 0 1 0 0 0
Hounslow Heston (HS6) View pie chart 165 177 16 0 0 0 0 0 0 0
Hounslow Hatton Cross (HS7) View pie chart 154 183 24 3 0 0 0 0 0 0
Hounslow Gunnersbury (HS8) View pie chart 90 250 23 1 1 0 0 0 0 0
Hounslow Feltham (HS9) View pie chart 209 146 10 0 0 0 0 0 0 0