Cheshire West and Chester Council Monitoring Data

Cheshire West & Chester - Helsby (HELSB)

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

Latest Data

This monitoring site data was last updated: 28/03/2024 22:00

Parameter Pollution Band Concentration Period
PM10 particulate matter (Hourly measured) Low (Index 1) 3 µg/m3 (FIDAS) 24 Hour mean
PM2.5 particulate matter (Hourly measured) Low (Index 1) 2 µg/m3 (Ref.eq) 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 Cheshire West & Chester - Helsby monitoring site