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Air Quality Monitoring Station: London Hillingdon

Location ID: UKA00266 / GB0642A

Environment Type: Urban Background

Defra Region: London

Location: London

Notes: The monitoring station is within a self-contained, air-conditioned housing located on an open grass area approximately 2.5 metres from the kerb of a residential road. The site is bordered on three sides by residential roads and on the fourth by the busy M4 motorway, which is approximately 30 metres from the station and above the height of the inlet. The general area is open and protected from the M4 by trees.

Measurements taken at this site:
Running 8 Hour mean Ozone (µgm-3)
Hourly mean Nitrogen dioxide (µgm-3)

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Most recent measurements

Latest data at the top. "n/a" means no measurement was taken in that time period.

DateTime Running 8 Hour mean Ozone
(µgm-3)
Hourly mean Nitrogen dioxide
(µgm-3)
ValueLevelValueLevel
2017-10-1911:00:0011 Low561 Low
2017-10-1910:00:0011 Low581 Low
2017-10-1909:00:0011 Low571 Low
2017-10-1908:00:0011 Low621 Low
2017-10-1907:00:0011 Low551 Low
2017-10-1906:00:0011 Low491 Low
2017-10-1905:00:0011 Low501 Low
2017-10-1904:00:0011 Low431 Low
2017-10-1903:00:0011 Low401 Low
2017-10-1902:00:0011 Low451 Low
2017-10-1901:00:0011 Low561 Low

© 2017 Crown copyright Defra via uk-air.defra.gov.uk, licenced under the Open Government Licence (OGL).