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) 23/05/2025 12:00 43.706 µg/m3 Hourly No Current Data
Nitric oxide (NO) 23/05/2025 12:00 33.053 µg/m3 Hourly No Current Data
Nitrogen dioxide (NO2) 23/05/2025 12:00 35.573 µg/m3 Hourly No Current Data
Nitrogen oxides as nitrogen dioxide (NOXasNO2) 23/05/2025 12:00 86.254 µg/m3 Hourly No Current Data
Sulphur dioxide (SO2) 23/05/2025 12:00 2.661 µg/m3 Hourly No Current Data
Carbon monoxide (CO) 23/05/2025 12:00 0.373 mg/m3 Hourly No Current Data
PM10 particulate matter (Hourly measured) (PM10) 23/05/2025 12:00 25.121 µg/m3 (Ref.eq) Hourly No Current Data
PM2.5 particulate matter (Hourly measured) (PM2.5) 23/05/2025 12:00 11.000 µg/m3 (BAM) Hourly No Current Data
1,3-butadiene (1,3-butadiene) 24/05/2025 17:00 0.191 µg/m3 Hourly -
benzene (benzene) 24/05/2025 17:00 0.397 µg/m3 Hourly -

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