AURN Monitoring Site Monitoring Data

Middlesbrough (MID, an AURN site)

Latitude: 54.569297
Longitude: -1.220874
Date Started: 21/04/1995
Altitude: 10 metres
Environment: Urban Background

Latest Data

This monitoring site data was last updated: 03/04/2025 22:00

Parameter Pollution Band Concentration Period
PM10 particulate matter (Hourly measured) Low (Index 3) 36 µg/m3 (Ref.eq) 24 Hour mean
Ozone (O3) Low (Index 2) 56 µg/m3 8 Hour mean
Nitrogen dioxide (NO2) Low (Index 1) 29 µg/m3 hourly mean
Sulphur dioxide (SO2) Low (Index 1) 1 µg/m3 15 Minute mean
PM2.5 particulate matter (Hourly measured) Low (Index 1) 9 µg/m3 (BAM) 24 Hour mean
Nitric oxide (NO) not applicable 1 µg/m3 hourly mean
Nitrogen oxides as nitrogen dioxide (NOx as NO2) not applicable 30 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.

Map showing the location of the Middlesbrough monitoring site