Air quality - nitrogen dioxide

Datasets showing nitrogen dioxide levels (NO2) at various locations around Leeds. Please note ----------- From 17/02/17 this dataset will be archived and superseeded by the ratified air quality dataset[ https://datamillnorth.org/dataset/ratified-air-quality---nitrogen-dioxide](https://datamillnorth.org/dataset/ratified-air-quality---nitrogen-dioxide) which contains corroborated data quality checked by external auditors.  Additional information  ----------------------- * The data is collected on an hourly basis * Column A = Date of collection (YYMMDD) * Column B = Time of collection * Column C = Reading * Column D = Validation (14 means the data has been validated but not that it has been ratified) * NOTE: The data is not necessarily collected for all dates/times/stations Defra air quality data ---------------------- * Information manage a further two stations in Leeds * You can be sent information through their air quality bulletin and request up to hourly information from [http://uk-air.defra.gov.uk/bulletin-subscription](http://uk-air.defra.gov.uk/bulletin-subscription) * Archive CSV data can be downloaded from [http://uk-air.defra.gov.uk/data/data_selector?=l&1=&s=&o=#mid](http://uk-air.defra.gov.uk/data/data_selector?=l&1=&s=&o=#mid)