Halton Borough Council Monitoring Data
Widnes Milton Road (WSMR, an AURN site)
Date Started: 09/03/2015
This monitoring site data was last updated: 30/11/2023 23:00
|Nitrogen dioxide (NO2)||Low (Index 1)||50 µg/m3||hourly mean|
|Nitric oxide (NO)||not applicable||96 µg/m3||hourly mean|
|Nitrogen oxides as nitrogen dioxide (NOx as NO2)||not applicable||197 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.