City of London Corporation Monitoring Data
Date Started: 25/03/2022
Environment: Urban Background
This monitoring site data was last updated: 09/12/2023 11:00
|Ozone (O3)||Low (Index 3)||67 µg/m3||8 Hour 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.
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