Site Data

Latest data for London Marylebone Road

The table below shows the latest data for this monitoring site. Use the links below the table to view the interactive map or perform further site searches.

Pollutant Date Time Measurement Unit Period Comment
Ozone (O3) 15/07/2025 19:00 37.719 µg/m3 Hourly -
Nitric oxide (NO) 15/07/2025 19:00 25.195 µg/m3 Hourly -
Nitrogen dioxide (NO2) 15/07/2025 19:00 20.273 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 15/07/2025 19:00 58.905 µg/m3 Hourly -
Sulphur dioxide (SO2) 15/07/2025 19:00 3.725 µg/m3 Hourly -
Carbon monoxide (CO) 15/07/2025 19:00 0.326 mg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 15/07/2025 06:00 19.324 µg/m3 (Ref.eq) Hourly No Current Data
PM2.5 particulate matter (Hourly measured) (PM2.5) 15/07/2025 06:00 6.000 µg/m3 (BAM) Hourly No Current Data
1,3-butadiene (1,3-butadiene) 15/07/2025 18:00 0.275 µg/m3 Hourly -
benzene (benzene) 15/07/2025 18:00 0.520 µg/m3 Hourly -

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