London Bexley

Pollutant Band Concentration Period Last updated
PM2.5 particulate matter LOW (1) 4 µgm-3 (Ref.eq) 24 Hour mean 02/08/2021 10:00
PM10 particulate matter (Grav Equiv) LOW (1) 8 µgm-3 (FIDAS) 24 Hour mean 02/08/2021 10:00
Nitrogen dioxide (NO2) LOW (1) 8 µgm-3 hourly mean 02/08/2021 10:00
Nitrogen oxides as nitrogen dioxide (NOXasNO2) Not applicable 11 µgm-3 hourly mean 02/08/2021 10:00
Nitric oxide (NO) Not applicable 2 µgm-3 hourly mean 02/08/2021 10:00
Parameter Parameter Name
NO Nitric Oxide
NO2 Nitrogen dioxide
NOXasNO2 Nitrogen oxides as nitrogen dioxide
SO2 Sulphur dioxide
PM10 Particulates < 10 µm (hourly measured)
PM2.5 Particulates < 2.5 µm (hourly measured)
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Site Information
Environment Type Suburban
Coordinates (Lat/Long) 51.466030, 0.184806
Altitude 3m
Kerb Distance 40
Site Comments The monitoring station is within a self-contained, air conditioned housing located approximately 40 metres from the nearest road in a suburban background setting. The manifold inlet is approximately 3 metres above ground level. The surrounding area is generally open and comprises residential dwellings and gardens.

Automatic Urban Monitoring

Parameter Date Started Date Ended
Ozone 01/05/1994 30/09/2007
Nitric oxide 01/05/1994 -
Nitrogen dioxide 01/05/1994 -
Nitrogen oxides as nitrogen dioxide 01/05/1994 -
Sulphur dioxide 01/05/1994 31/12/2014
Carbon monoxide 01/05/1994 31/12/2012
PM10 particulate matter (Grav Equiv) 01/05/1994 -
PM2.5 particulate matter 25/02/2008 -
Non-volatile PM2.5 21/10/2008 01/10/2020
Volatile PM2.5 21/10/2008 01/10/2020
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