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Smoke and dust health action levels

Health action levels are recommendations that have been developed by Queensland Health to support and inform the community on what actions to take to protect their health during a smoke event.

The health action levels are based on hourly PM2.5 measurements and provide separate advice on preventative actions for the general public and for individuals who are potentially more sensitive.

More about the health action levels.

What’s new

Queensland has moved to using air quality categories rather than an air quality index as part of initiatives to ensure consistent air quality reporting across Australia. The category system colours provide users with general guidance on exposure risk during pollution events. Read more about air quality categories.

Health action level information is now presented using an improved layout on a separate smoke and dust health action levels page. The health action level ranges have been updated to reflect the latest Queensland Health recommendations.

The NEPM guidelines for ozone, nitrogen dioxide and sulfur dioxide have been updated to represent the latest national standards.

Currently no elevated health action levels.

Measurements as at Thursday 2 December 2021 1am.

Legend to PM2.5 health action level colours about health action levels

  • 1good0–25µg/m3
  • 2fair25–50µg/m3
  • 3poor50–100µg/m3
  • 4very poor100–300µg/m3
  • 5extremely poor>300µg/m3

Map markers are indicative only. They do not reflect the exact location of the stations.

South East Queenslandmap

South West Queenslandmap

Upper Humbugmap

PM2.5 measuring is offline


Boat Creekmap

PM2.5 measurement unavailable


PM2.5 measuring is offline

Central Queenslandmap



Mount Isamap

The data used to compile this air quality information comes directly from the department's air monitoring network and has only undergone a preliminary quality check. Data is retrieved from the stations every hour and after quality checks, is available approximately 1 hour later.

All data on this site is shown in Australian Eastern Standard Time (AEST).

An offline message indicates that measurements are temporarily unavailable due to equipment servicing or failure. See network status.

About Particle PM2.5

Airborne particles less than 2.5 micrometres in diameter, referred to as PM2.5, can be hazardous to human health or cause a nuisance when present in the air at elevated levels. They are capable of penetrating the lower airways of humans and can cause possible negative health effects.

The guideline for Particle PM2.5 is 50µg/m³ (1hr avg) and 25µg/m³ (24hr avg).

Particle PM2.5 is measured in micrograms per cubic metre.

More information about Particle PM2.5

Creative Commons Attribution 4.0 International (CC BY 4.0)
Last updated
2 December 2021
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