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) 11/07/2025 07:00 13.571 µg/m3 Hourly No Current Data
Nitric oxide (NO) 11/07/2025 07:00 22.077 µg/m3 Hourly No Current Data
Nitrogen dioxide (NO2) 11/07/2025 07:00 60.626 µg/m3 Hourly No Current Data
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 11/07/2025 07:00 94.478 µg/m3 Hourly No Current Data
Sulphur dioxide (SO2) 11/07/2025 07:00 3.193 µg/m3 Hourly No Current Data
Carbon monoxide (CO) 11/07/2025 07:00 0.384 mg/m3 Hourly No Current Data
PM10 particulate matter (Hourly measured) (PM10) 11/07/2025 07:00 24.155 µg/m3 (Ref.eq) Hourly No Current Data
PM2.5 particulate matter (Hourly measured) (PM2.5) 11/07/2025 07:00 11.000 µg/m3 (BAM) Hourly No Current Data
1,3-butadiene (1,3-butadiene) 12/07/2025 08:00 0.164 µg/m3 Hourly -
benzene (benzene) 12/07/2025 08:00 0.205 µg/m3 Hourly -

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