The ACT Emergency Services Agency advises that the haze currently visible across Canberra is dust due to the current dry weather conditions.
The dust levels are not considered hazardous to health at this time, but if conditions deteriorate or people are concerned, more information on how to look after your health is available at the following ACT Health factsheet: https://www.health.act.gov.au/sites/default/files/2018-11/2018Jul06 - Dust Storm Factsheet FINAL.PDF