And there's a change in the 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
2018-05-2218:00:00963 Low111 Low
2018-05-2217:00:00933 Low91 Low
2018-05-2216:00:00903 Low91 Low
2018-05-2215:00:00863 Low71 Low
2018-05-2214:00:00823 Low71 Low
2018-05-2213:00:00803 Low91 Low
2018-05-2212:00:00783 Low111 Low
2018-05-2211:00:00763 Low131 Low
2018-05-2210:00:00743 Low171 Low
2018-05-2209:00:00723 Low211 Low
2018-05-2208:00:00723 Low191 Low
2018-05-2207:00:00713 Low141 Low
2018-05-2206:00:00713 Low91 Low
2018-05-2205:00:00703 Low91 Low
2018-05-2204:00:00723 Low111 Low
2018-05-2203:00:00743 Low161 Low
2018-05-2202:00:00793 Low151 Low
2018-05-2201:00:00823 Low171 Low

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