There's not a breeze, no breath of air

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
2018-08-1611:00:00171 Low281 Low
2018-08-1610:00:00191 Low481 Low
2018-08-1609:00:00211 Low511 Low
2018-08-1608:00:00241 Low531 Low
2018-08-1607:00:00261 Low501 Low
2018-08-1606:00:00271 Low291 Low
2018-08-1605:00:00271 Low171 Low
2018-08-1604:00:00261 Low121 Low
2018-08-1603:00:00241 Low91 Low
2018-08-1602:00:00231 Low171 Low
2018-08-1601:00:00231 Low221 Low

© 2018 Crown copyright Defra via uk-air.defra.gov.uk, licenced under the Open Government Licence (OGL).