4.412-hour NowCast · µg/m³Derived concentration, not an Australian AQI
5.2Rolling 24 hours · µg/m³45 stored readings in this page window
FairModel peak · next 24 h9.5–17.0 µg/m³ · GEOS-CF, CAMS and SILAM
What this monitor reports
4.9 µg/m³ is Good on the one-hour PM2.5 air quality scale. Current hourly reading.
The monitor belongs to NSW DCCEEW. Readings may be preliminary and revised by the agency.
The category applies only to the latest one-hour reading. It follows the Australian enHealth framework used by agencies including NSW, Victoria and Queensland. The NowCast and rolling mean are separately labelled derived concentrations. How the categories are used.
Nearby fires
150 km radius
No agency fire incidents are currently reported within 150 km of this location. There are also 3 planned or registered burns.
ALERT LEVEL: Planned Burn LOCATION: CHICHESTER STATE FOREST BUSH MILL RD, UPPER KARUAH RIVER 2415 COUNCIL AREA: Mid-Coast STATUS: Under control TYPE: Hazard Reduction FIRE: Yes SIZE: 125 ha RESPONSIBLE AGENCY: Forestry Corporation of NSW UPDATED: 27 Aug 2026 09:45
Straight-line distance from the Morisset monitor to the reported incident location, or to the mapped fire boundary where an agency has published one. A fire without a published boundary may extend closer than its reported location suggests.
Recent observations and next 48 hours
monitor + up to three models
About this chart
Observed values come from this monitor. NASA GEOS-CF, CAMS and SILAM are independent total surface PM2.5 research forecasts sampled from their nearest grid cells; they are not blended with the observations.