AURN Monitoring Site Monitoring Data
Swindon Walcot (SWHO, an AURN site)
Altitude: 104 metres
This monitoring site data was last updated: 26/11/2020 07:00
|Nitrogen dioxide (NO2)||Low (Index 1)||21 µg/m3||hourly mean|
|Nitric oxide (NO)||not applicable||77 µg/m3||hourly mean|
|Nitrogen oxides as nitrogen dioxide (NOx as NO2)||not applicable||139 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.