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 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
• Archive CSV data can be downloaded from http://uk-air.defra.gov.uk/data/data_selector?=l&1=&s=&o=#mid