Air Quality Monitoring - 2017

Annual hourly air quality and meteorological data by monitoring site for the 2017 calendar year. For more information on air quality, including live air data, please visit [environment.des.qld.gov.au/air](https://environment.des.qld.gov.au/air).\r\n\r\n**Data resolution:** One-hour average values (one-hour sum for rainfall) \r\n**Data row timestamp:** Start of averaging period \r\n**Missing data/not monitored:** Blank cell \r\n**Calm conditions:** No hourly average wind direction is reported when the hourly average wind speed is zero \r\n**Barometric pressure:** Values are at monitoring station elevation, not corrected to mean sea level \r\n**Daily zero/span response check:** Automated instrument zero/span response checks are conducted daily between midnight and 1am at Queensland Government sites (can differ at industry sites). Where this takes place an ambient hourly value cannot be reported. \r\n**Sampling height:** Four metres above ground (unless otherwise indicated)