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Air Quality
- Updated 2 months ago
Air Quality Monitoring - Diffusion Tube Results
GLA and TFL Air QualityAir pollution is monitored by the London boroughs within their own area. There are a number of different monitoring methods available, including passive diffusion tubes. These diffusion tubes are small, passive samplers which measure the concentration of nitrogen dioxide (NO2) in the air at a certain location, providing a monthly average measurement. The diffusion tubes supplement the existing network of more accurate reference analyser...