And frost and the fog divide the air

Air Quality Monitoring Station: London Harlington

Location ID: UKA00472 / GB0837A

Environment Type: Urban Industrial

Defra Region: London

Location: London

Notes: The monitoring station is located within a self contained air conditioned housing in the grounds of Imperial College Sports Facility in Harlington, 1 kilometre north of the Heathrow Airport perimetre road. The nearest road is a minor road located approximately 10 metres from the station. The M4 motorway is located approximately 800 metres from the station. The surrounding area is comprised of open fields and residential dwellings.

Measurements taken at this site:
Running 8 Hour mean Ozone (µgm-3)
Hourly mean Nitrogen dioxide (µgm-3)
Running 24 Hour mean PM2.5 Particles (µgm-3)
Running 24 Hour mean PM10 Particles (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)
Running 24 Hour mean PM2.5 Particles
(µgm-3)
Running 24 Hour mean PM10 Particles
(µgm-3)
ValueLevelValueLevelValueLevelValueLevel
2018-10-1610:00:00151 Low281 Low122 Low151 Low*3
2018-10-1609:00:00151 Low311 Low111 Low151 Low*3
2018-10-1608:00:00141 Low291 Low101 Low141 Low*3
2018-10-1607:00:00141 Low281 Low101 Low131 Low*3
2018-10-1606:00:00131 Low111 Low91 Low121 Low*3
2018-10-1605:00:00121 Low71 Low91 Low121 Low*3
2018-10-1604:00:00101 Low141 Low81 Low111 Low*3
2018-10-1603:00:00n/a251 Low81 Low101 Low*3
2018-10-1602:00:00n/a251 Low71 Low91 Low*3

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