AURN Monitoring Site Monitoring Data

London Marylebone Road (MY1, an AURN site)

Latitude: 51.522530
Longitude: -0.154611
Date Started: 01/01/1997
Altitude: 35 metres
Inlet Height: 3.5 metres
Environment: Kerbside

Latest Data

This monitoring site data was last updated: 26/10/2020 07:00

Parameter Pollution Band Concentration Period
Ozone (O3)   No Data 8 Hour mean
Sulphur dioxide (SO2)   No Data 15 Minute mean
Nitrogen dioxide (NO2)   No Data hourly mean
PM10 particulate matter (Hourly measured)   No Data 24 Hour mean
PM2.5 particulate matter (Hourly measured) Low (Index 1) 6 µg/m3 (TEOM FDMS) 24 Hour mean
Nitric oxide (NO)   No Data hourly mean
Nitrogen oxides as nitrogen dioxide (NOx as NO2)   No Data hourly mean
Carbon monoxide (CO)   No Data 8 Hour mean
Non-volatile PM10 (Hourly measured)   No Data 24 Hour mean
Volatile PM10 (Hourly measured)   No Data 24 Hour mean
Non-volatile PM2.5 (Hourly measured) not applicable 5 µg/m3 (TEOM FDMS) 24 Hour mean
Volatile PM2.5 (Hourly measured) not applicable 1 µg/m3 (TEOM FDMS) 24 Hour mean

Note: Values are based on provisional data. Data are GMT hour ending.
PM10 is measured as a running 24 hour mean, up to the current hour, and the band/index is calculated accordingly.

Map showing the location of the London Marylebone Road monitoring site