Hertfordshire and Bedfordshire Monitoring Data

Welwyn Hatfield (HB001)

Latitude: 51.767563
Longitude: -0.214824
Date Started: 28/04/2016
Environment: Urban Traffic

Latest Data

This monitoring site data was last updated: 21/11/2024 07:00

Parameter Pollution Band Concentration Period
PM2.5 particulate matter (Hourly measured) Low (Index 1) 5 µg/m3 (BAM) 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.

Other monitoring sites

Use the dropdown below to switch to another monitoring site within this local authority.

Map showing the location of the Welwyn Hatfield monitoring site