—12-hour NowCast · µg/m³Derived concentration, not an Australian AQI
3.8Rolling 24 hours · µg/m³40 stored readings in this page window
FairModel peak · next 24 h8.6–21.1 µg/m³ · GEOS-CF, CAMS and SILAM
What this monitor reports
1.6 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
Within 150 km, agencies report 1 Advice warning. There is also 1 planned or registered burn.
View 1 nearby fire location
AdviceMASONITE RD, TOMAGO132 km away · Under control · Bush FireNSW Rural Fire ServiceOfficial warning details
ALERT LEVEL: Advice LOCATION: MASONITE RD, TOMAGO 2322 COUNCIL AREA: Port Stephens STATUS: Under control TYPE: Bush Fire FIRE: Yes SIZE: 0 ha RESPONSIBLE AGENCY: NSW National Parks and Wildlife Service UPDATED: 8 Oct 2026 10:55
Straight-line distance from the Richmond 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.