London Borough of Ealing Monitoring Data

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Ealing Twyford CofE High School (sensor) (EAS14)

Latitude: 51.508510
Longitude: -0.278760
Date Started: 01/07/2025
Inlet Height: 2.1 metres
Environment: Urban Traffic

Latest Data

This monitoring site data was last updated: 29/10/2025 05:00

Parameter Pollution Band Concentration Period
Nitrogen dioxide (NO2) Low (Index 1) 39 µg/m3 hourly mean
PM10 particulate matter (Hourly measured) Low (Index 1) 13 µg/m3 24 Hour mean
PM2.5 particulate matter (Hourly measured) Low (Index 1) 4 µg/m3 24 Hour mean
Nitric oxide (NO) not applicable 11 µg/m3 hourly mean

Note: Values are based on provisional data. Data are GMT hour ending.
PM10 is measured as a running 24 hour mean, up to the current hour, and the band/index is calculated accordingly.

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Map showing the location of the Ealing Twyford CofE High School (sensor) monitoring site