AURN Monitoring Site Monitoring Data
St Helens Linkway (SHLW, an AURN site)
            Latitude: 53.451826
Longitude: -2.742134
Date Started: 27/09/2016
        
        Longitude: -2.742134
Date Started: 27/09/2016
            Altitude: 32 metres
Environment: Rural
        
        Environment: Rural
Latest Data
This monitoring site data was last updated: 04/11/2025 04:00
| Parameter | Pollution Band | Concentration | Period | 
|---|---|---|---|
| Nitrogen dioxide (NO2) | No Data | hourly mean | |
| PM10 particulate matter (Hourly measured) | Low (Index 1) | 3 µg/m3 (Ref.eq) | 24 Hour mean | 
| Nitric oxide (NO) | No Data | hourly mean | |
| Nitrogen oxides as nitrogen dioxide (NOx as NO2) | No Data | 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.