London Borough of Hillingdon Monitoring Data

Hillingdon Harmondsworth Osiris (HIL4)

Latitude: 51.487534
Longitude: -0.479451
Date Started: 01/07/2007
Environment: Urban Background
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Statistics

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Monthly Statistics (monthly averages) for 2024

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Annual Statistics for 2024

Annual Hourly Mean (to date)

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Max Daily Mean

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Max Hourly Mean

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Exceedance Statistics for 2024

There are no defined exceedance criteria for this pollutant.

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Map showing the location of the Hillingdon Harmondsworth Osiris monitoring site