Glasgow City Council intend to investigate the spike for Gordon Street, which has a taxi rank. Read More:He added: “However, it is worth noting that the result from the Gordon Street diffusion tube observed a more significant increase between these years. He later told the meeting: “Gordon Street station will warrant closer study to potentially identify if there are any site-specific factors that apply here.” A council report said: “Monitoring of NO2 is undertaken using a combination of both automatic monitoring stations and diffusion tubes. Another air quality measurement – particulate matter – was assessed as satisfactory in 2025 in Glasgow, with objectives met.