London Borough of Hillingdon

Use the tabs below to explore information about the current and historic air pollution levels in this local authority. You can select another local authority using the dropdown menu. 
Fullscreen Map Centre map on LA

Use the map above to explore the monitoring sites in for this local authority and the surrounding area. The table below shows a summary of sites within this local authority - you can click on the site names to get more detailed information.

Active local authority funded monitoring sites

Monitoring Site Ozone
(O3)
Nitrogen Dioxide
(NO2)
Sulphur Dioxide
(SO2)
Particulate Matter
(PM2.5)
Particulate Matter
(PM10)
Highest Pollution Band Last Updated
Heathrow Green Gates n/m17 (1 Low)n/m6 (1 Low)9 (1 Low) Low
(Index 1)
20/03/2019
15:00
Heathrow LHR2 n/m27 (1 Low)n/m6 (1 Low)9 (1 Low) Low
(Index 1)
20/03/2019
14:00
Hillingdon 1 - South Ruislip n/m43 (1 Low)n/mn/m15 (1 Low) Low
(Index 1)
20/03/2019
15:00
Hillingdon Sipson n/m25 (1 Low)n/mn/mn/m Low
(Index 1)
20/03/2019
07:00
London Hillingdon Harmondsworth n/m17 (1 Low)n/mn/m11 (1 Low) Low
(Index 1)
20/03/2019
14:00
London Hillingdon Harmondsworth Os n/mn/mn/m6 (1 Low)14 (1 Low) Low
(Index 1)
20/03/2019
09:00
London Hillingdon Hayes n/m52 (1 Low)n/mn/m30 (2 Low) Low
(Index 2)
20/03/2019
07:00
London Hillingdon Oxford Avenue n/m41 (1 Low)n/mn/m24 (2 Low) Low
(Index 2)
20/03/2019
15:00
London Harlington 55 (2 Low)24 (1 Low)n/m7 (1 Low)10 (1 Low) Low
(Index 2)
20/03/2019
15:00
London Hillingdon 26 (1 Low)66 (1 Low)n/mn/mn/m Low
(Index 1)
20/03/2019
14:00

» Visit the Defra UK-AIR website for details of Defra funded AURN monitoring sites

Closed local authority funded monitoring sites

The following monitoring sites are no longer active in this local authority, but you can still access information about them by clicking on their names below.

Monitoring Site Date Ended
Hillingdon 2 - Hillingdon Hospital [Closed] (HI2) 30/09/2011
Overall Pollution Summary:
LOW ( Index 2)
Very High 10
High 9
  8
  7
Moderate 6
  5
  4
Low 3
  2
  1

Guide to map markers: Markers legend: square markers show LA sites, round markers show AURN

Download uBreathe
The free app for iPhone, iPad & Android that gives you air pollution health advice - where and when you need it most Find out more »

Screenshot of uBreathe app