London Borough of Hillingdon Monitoring Data

London Harlington (HRL, an AURN site)

Latitude: 51.488790
Longitude: -0.441614
Date Started: 01/01/2004
Altitude: 35 metres
Environment: Airport


Update Statistics:

Monthly Statistics (monthly averages) for 2021

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Annual Statistics for 2021

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 2021

There are no defined exceedance criteria for this pollutant.

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Map showing the location of the London Harlington monitoring site