Southampton City Council has been monitoring the air quality in the city for many years. The first automatic real time air quality monitoring analysers were installed at Six Dials junction in 1994. This station is part of the national network funded by central government.

There are currently 4 automatic air quality monitoring stations in the city.

1. Brintons Road, Six Dials Junction, St Marys. This is the largest station in the city. It currently monitors.

  • Nitrogen dioxide
  • Particulate dust, PM10 (less than 10 microns in diameter)
  • Particulate dust PM2.5 (less than 10 microns in diameter)
  • Ozone
  • Sulphur Dioxide
  • Benzene

2. Onslow Road This station is a small roadside cabinet, monitoring

  • Nitrogen dioxide

3. Victoria Road, Woolston This station is a small roadside cabinet, monitoring

  • Nitrogen dioxide

4. Redbridge Road This station was installed in late 2015, monitoring

  • Nitrogen dioxide
  • Particulate dust, PM10 (less than 10 microns in diameter)

There are also approximately 60 nitrogen dioxide diffusion tubes located throughout the city.

Historically, automatic monitoring has been undertaken at the Civic Centre, Bitterne Road, Millbrook Road and within the grounds of Redbridge Community School.

View the location of the four monitoring stations on the Southampton My Air map.