Cheshire West and Chester Council

Helsby (HELSB)

Latitude: 53.273269
Longitude: -2.773889
Date Started: 19/10/2016

Latest Data

This monitoring site data was last updated: 13/12/2017 05:00

Parameter Pollution Band Concentration Period
PM10 particulate matter (Hourly measured) Low (Index 1) 9 µg/m3 (FIDAS) 24 Hour mean
PM2.5 particulate matter (Hourly measured) Low (Index 1) 7 µg/m3 (Ref.eq) 24 Hour mean
PM1 Particulates (PM1) not applicable 6 µg/m3 (FIDAS) 24 Hour mean
Total Particulates (TSP) not applicable 11 µg/m3 (FIDAS) 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 Helsby monitoring site