London Borough of Hillingdon Monitoring Data
Use the tabs below to explore information about the current and historic air pollution levels in this local authority.
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Days in each index band for London Borough of Hillingdon
Switch to AURN dataChoose 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: 22/01/2020 - 21/01/2021
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 |
---|---|---|---|---|---|---|---|---|---|---|
Hillingdon South Ruislip (HI1) View pie chart | 206 | 150 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Hillingdon Oxford Avenue (HI3) View pie chart | 80 | 245 | 35 | 5 | 1 | 0 | 0 | 0 | 0 | 0 |
Hillingdon Harmondsworth (HIL1) View pie chart | 255 | 98 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Hillingdon Harmondsworth Osiris (HIL4) View pie chart | 148 | 56 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Hillingdon Hayes (HIL5) View pie chart | 98 | 203 | 47 | 4 | 6 | 5 | 1 | 0 | 0 | 0 |
Heathrow LHR2 (LHR2) View pie chart | 259 | 95 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
Heathrow Bath Road (LHRBR) View pie chart | 53 | 45 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Hillingdon Sipson (SIPS) View pie chart | 328 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Heathrow Green Gates (T55) View pie chart | 285 | 70 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |