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) 14/08/2026 18:00 74.240 µg/m3 Hourly -
Nitric oxide (NO) 14/08/2026 18:00 7.983 µg/m3 Hourly -
Nitrogen dioxide (NO2) 14/08/2026 18:00 38.250 µg/m3 Hourly -
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 14/08/2026 18:00 50.490 µg/m3 Hourly -
Sulphur dioxide (SO2) 14/08/2026 17:00 0.000 µg/m3 Hourly -
Carbon monoxide (CO) 14/08/2026 18:00 0.221 mg/m3 Hourly -
PM10 particulate matter (Hourly measured) (PM10) 14/08/2026 18:00 17.392 µg/m3 (Ref.eq) Hourly -
PM2.5 particulate matter (Hourly measured) (PM2.5) 14/08/2026 18:00 12.000 µg/m3 (BAM) Hourly -
1,3-butadiene (1,3-butadiene) 14/08/2026 16:00 0.011 µg/m3 Hourly -
benzene (benzene) 14/08/2026 16:00 2.109 µg/m3 Hourly -

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