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) 16/04/2026 04:00 71.646 µg/m3 Hourly -
Nitric oxide (NO) 16/04/2026 04:00 4.615 µg/m3 Hourly -
Nitrogen dioxide (NO2) 16/04/2026 04:00 14.344 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 16/04/2026 04:00 21.420 µg/m3 Hourly -
Sulphur dioxide (SO2) 16/04/2026 04:00 1.597 µg/m3 Hourly -
Carbon monoxide (CO) 16/04/2026 04:00 0.163 mg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 16/04/2026 04:00 21.256 µg/m3 (Ref.eq) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 16/04/2026 04:00 15.000 µg/m3 (BAM) Hourly -
1,3-butadiene (1,3-butadiene) 16/04/2026 03:00 0.259 µg/m3 Hourly -
benzene (benzene) 16/04/2026 03:00 0.371 µg/m3 Hourly -

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