Weatherwatch: Cold winds cause air pollution

Where there’s weather, global warming can’t be far behind.

The Guardian reports:

Cold, still weather in mid January brought pollution problems to most mainland UK cities. Pollution signatures from diesel engines were clear as traffic exhaust built up close to roads and then spread across city centres and into residential areas. Moderate nitrogen dioxide was initially measured alongside busy roads in Glasgow, Oxford and London on Friday the 13th followed by moderate airborne particles on Saturday 14th. Gentle winds and lower traffic volumes provided some respite on Sunday 15th before the episode intensified at the start of the working week…

Read the entire report.