Hertfordshire and Bedfordshire
Dacorum Northchurch High Street (HB013)
Latitude: 51.770339
Longitude: -0.591364
Longitude: -0.591364
Date Started: 31/10/2012
Environment: Urban
Environment: Urban
Latest Data
This monitoring site data was last updated: 21/11/2019 13:00
| Parameter | Pollution Band | Concentration | Period |
|---|---|---|---|
| PM10 particulate matter (Hourly measured) | Low (Index 2) | 27 µg/m3 (FIDAS) | 24 Hour mean |
| PM2.5 particulate matter (Hourly measured) | Low (Index 2) | 19 µg/m3 (Ref.eq) | 24 Hour mean |
| Nitrogen dioxide (NO2) | Low (Index 1) | 42 µg/m3 | hourly mean |
| Nitric oxide (NO) | not applicable | 40 µg/m3 | hourly mean |
| Nitrogen oxides as nitrogen dioxide (NOx as NO2) | not applicable | 104 µg/m3 | hourly 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.
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