AURN Monitoring Site Monitoring Data
Leeds Centre (LEED, an AURN site)
Date Started: 04/01/1993
Environment: Urban Centre
This monitoring site data was last updated: 16/01/2022 20:00
|PM10 particulate matter (Hourly measured)||Low (Index 2)||22 µg/m3 (FIDAS)||24 Hour mean|
|PM2.5 particulate matter (Hourly measured)||Low (Index 2)||19 µg/m3 (Ref.eq)||24 Hour mean|
|Ozone (O3)||Low (Index 1)||32 µg/m3||8 Hour mean|
|Sulphur dioxide (SO2)||Low (Index 1)||1 µg/m3||15 Minute mean|
|Nitrogen dioxide (NO2)||Low (Index 1)||40 µg/m3||hourly mean|
|Nitric oxide (NO)||not applicable||8 µg/m3||hourly mean|
|Nitrogen oxides as nitrogen dioxide (NOx as NO2)||not applicable||53 µg/m3||hourly mean|
|Carbon monoxide (CO)||not applicable||0.8 mg/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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