Hertfordshire and Bedfordshire Monitoring Data
Welwyn Hatfield (HB001)
Latitude: 51.767563
Longitude: -0.214824
Longitude: -0.214824
Date Started: 28/04/2016
Environment: Urban Traffic
Environment: Urban Traffic
Latest Data
This monitoring site data was last updated: 21/11/2024 09:00
| Parameter | Pollution Band | Concentration | Period |
|---|---|---|---|
| PM2.5 particulate matter (Hourly measured) | Low (Index 1) | 6 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.