Air pollution levels recorded on
Monday 6 September 2010, 05:00-06:00BST
How are the bands calculated?
Latest network hourly pollution bulletin
This map shows the latest hourly readings downloaded from network pollution analysers. Not all analysers on the network are contacted every hour, so some sites may show 'no data'. Data have undergone automatic validity checks.
Baldock Roadside
Nitrogen Dioxide:
More Information for Baldock Roadside:
Monitoring site details
This week's graph
Annual statistics
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