LAQN LA Westminster The London Air Quality Network contains information about air quality in and around Greater London. Measurements are collected either hourly or twice daily from continuous monitoring sites, processed and checked then placed on the web site with an hourly update. This feed shows data from the sites of the chosen Local Authority. http://londonair.org.uk/london/asp/publicbulletin.asp?la_id=33 en-gb Wed, 29 Apr 2026 12:00:00 GMT Copyright: (C) Kings College London 2007 36 LAQN LA Westminster http://londonair.org.uk/london/images/la_logos/la33_logo.gif http://londonair.org.uk/london/asp/publicbulletin.asp?la_id=33 LAQN Site Waterloo Place (The Crown Estate) Using measurements recorded up to Wednesday 29 Apr 2026 13:00:00 BST, for Waterloo Place (The Crown Estate) (Roadside)

Species Nitrogen Dioxide (NO2) Banding :Low Index: 1 (Measurement)
Species PM10 Particulate (PM10) Banding :Low Index: 2 (Trigger)
Species PM2.5 Particulate (PM25) Banding :Low Index: 1 (Trigger)

For more information please see the London Air website.

]]> http://londonair.org.uk/london/asp/publicbulletin.asp?site=CE2&la_id=33 Wed, 29 Apr 2026 12:00:00 GMT LAQN Site Regent Street (The Crown Estate) Using measurements recorded up to Wednesday 29 Apr 2026 13:00:00 BST, for Regent Street (The Crown Estate) (Roadside)

Species Nitrogen Dioxide (NO2) Banding :Low Index: 1 (Measurement)
Species PM10 Particulate (PM10) Banding :Low Index: 2 (Trigger)
Species PM2.5 Particulate (PM25) Banding :Low Index: 1 (Trigger)

For more information please see the London Air website.

]]> http://londonair.org.uk/london/asp/publicbulletin.asp?site=CE3&la_id=33 Wed, 29 Apr 2026 12:00:00 GMT LAQN Site Marylebone Road - BAM There are no recent data for Marylebone Road - BAM.

]]> http://londonair.org.uk/london/asp/publicbulletin.asp?site=MR8&la_id=33 Wed, 29 Apr 2026 12:00:00 GMT LAQN Site Westminster - Marylebone Road Westminster - Marylebone Road (Kerbside)

Wednesday 29 Apr 2026 12:00:00 BST, Species Nitrogen Dioxide (NO2) Banding: Low Index: 1 (Measurement)
Wednesday 29 Apr 2026 13:00:00 BST, Species Ozone (O3) Banding: Low Index: 3 (Trigger)

For more information please see the London Air website.

]]> http://londonair.org.uk/london/asp/publicbulletin.asp?site=MY1&la_id=33 Wed, 29 Apr 2026 12:00:00 GMT LAQN Site Westminster - Horseferry Road There are no recent data for Westminster - Horseferry Road.

]]> http://londonair.org.uk/london/asp/publicbulletin.asp?site=WM0&la_id=33 Wed, 29 Apr 2026 12:00:00 GMT