AURN Monitoring Site Monitoring Data
Bath A4 Roadside (BHA4, an AURN site)
Date Started: 24/10/2019
This monitoring site data was last updated: 12/05/2021 04:00
|Nitrogen dioxide (NO2)||Low (Index 1)||7 µg/m3||hourly mean|
|Nitric oxide (NO)||not applicable||3 µg/m3||hourly mean|
|Nitrogen oxides as nitrogen dioxide (NOx as NO2)||not applicable||12 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.