London Borough of Hounslow Monitoring Data
Hounslow Gunnersbury (HS8)
Date Started: 09/02/2012
Environment: Urban Traffic
Hounslow - Hatton Cross
This monitoring site data was last updated: 30/11/2023 23:00
|PM10 particulate matter (Hourly measured)||Low (Index 2)||23 µg/m3 (Ref.eq)||24 Hour mean|
|Nitrogen dioxide (NO2)||Low (Index 1)||41 µg/m3||hourly mean|
|Nitric oxide (NO)||not applicable||28 µg/m3||hourly mean|
|Nitrogen oxides as nitrogen dioxide (NOx as NO2)||not applicable||84 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.
Other monitoring sites
Use the dropdown below to switch to another monitoring site within this local authority.