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Cairns PM2.5 monitor

Hourly government air-quality observations from Queensland DETSI.

Queensland · -16.9616, 145.7436 · observed · Government monitor

5.2Latest hourly PM2.5 · µg/m³Good · <12.5 µg/m³
4.712-hour NowCast · µg/m³Derived concentration, not an Australian AQI
4.3Rolling 24 hours · µg/m³47 stored readings in this page window
GoodModel peak · next 24 h4.3–8.7 µg/m³ · GEOS-CF, CAMS and SILAM

What this monitor reports

5.2 µg/m³ is Good on the one-hour PM2.5 air quality scale. Current hourly reading.

The monitor belongs to Queensland DETSI. 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, 1 Information report and 1 other fire location. There are also 7 planned or registered burns.

View 3 nearby fire locations
AdviceRavenshoe and surrounding areas77 km away · Advice · FIRE VEGETATIONAVOID SMOKE (HAZARD REDUCTION BURN) - Ravenshoe (near Atherton) - fire as at 1:18pm Wednesday, 26 August 2026Queensland Fire Department
Official warning details

Thick smoke is affecting Ravenshoe and surrounding areas. This is from Queensland Parks and Wildlife Service hazard reduction burning at the Ravenshoe State Forest, near Cemetery Road, Ravenshoe.

Protect yourself from the impacts of smoke.

What to do
  • If the smoke is thick where you are, stay inside and close windows and doors.
  • If you need medication to help you breathe keep it close.
  • If you are worried about your health call your doctor or 13 HEALTH (13 432 584). If it is an emergency, call Triple Zero (000) now.
  • If you are affected by the smoke you may need to leave the area.
  • Do not fly drones around the fire as they affect firefighting.
Official source
InformationPORT DOUGLAS — DAVIDSON ST & PORT ST60 km away · Patrolled · FIRE VEGETATIONInformation - PORT DOUGLASQueensland Fire Department
Official warning details

There is a vegetation fire at this location. Smoke may affect residents and motorists in the area. Residents should close their doors and windows and keep medication close by if suffering from a respiratory condition. Motorists should use caution and drive to conditions. If you believe your property is under threat, you should call Triple Zero (000) immediately.

Official source
View 7 planned or registered burns nearby
InformationKOAH — Davies Creek22 km away · Going · FIRE PERMITTED BURNInformation - KOAHQueensland Fire Department
Official warning details

There is a vegetation fire at this location. Smoke may affect residents and motorists in the area. Residents should close their doors and windows and keep medication close by if suffering from a respiratory condition. Motorists should use caution and drive to conditions. If you believe your property is under threat, you should call Triple Zero (000) immediately.

Official source
InformationKOAH — Fantin Rd23 km away · Going · FIRE PERMITTED BURNInformation - KOAHQueensland Fire Department
Official warning details

There is a vegetation fire at this location. Smoke may affect residents and motorists in the area. Residents should close their doors and windows and keep medication close by if suffering from a respiratory condition. Motorists should use caution and drive to conditions. If you believe your property is under threat, you should call Triple Zero (000) immediately.

Official source
InformationKOOMBOOLOOMBA — Mount Ronald Rd85 km away · Going · FIRE PERMITTED BURNInformation - KOOMBOOLOOMBAQueensland Fire Department
Official warning details

There is a vegetation fire at this location. Smoke may affect residents and motorists in the area. Residents should close their doors and windows and keep medication close by if suffering from a respiratory condition. Motorists should use caution and drive to conditions. If you believe your property is under threat, you should call Triple Zero (000) immediately.

Official source

Straight-line distance from the Cairns 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
200−24 hNow+24 h+48 hµg/m³
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.

Forecast

Next 6 hoursGood3.6–6.2 µg/m³ · 3 of 3 models
Next 12 hoursGood4.3–8.0 µg/m³ · 3 of 3 models
Next 24 hoursGood4.3–8.7 µg/m³ · 3 of 3 models
Next 48 hoursGood4.6–11.8 µg/m³ · 3 of 3 models
Model detail3 available · 48-hour peak table
Model48-hour peakCategoryPeak around
NASA GEOS-CF4.6 µg/m³Good28 Aug, 8:30 PM AEST
CAMS11.8 µg/m³Good29 Aug, 10:00 AM AEST
FMI SILAM8.0 µg/m³Good27 Aug, 7:00 PM AEST
Recent hourly readings47 stored
Observed localPM2.5 µg/m³Air quality
27 Aug, 9:00 AM AEST5.2Good
27 Aug, 8:00 AM AEST4.8Good
27 Aug, 7:00 AM AEST4.1Good
27 Aug, 6:00 AM AEST4.1Good
27 Aug, 5:00 AM AEST4.3Good
27 Aug, 4:00 AM AEST4.7Good
27 Aug, 3:00 AM AEST4.6Good
27 Aug, 2:00 AM AEST4.4Good
27 Aug, 1:00 AM AEST4.3Good
27 Aug, 12:00 AM AEST4.5Good
26 Aug, 11:00 PM AEST3.7Good
26 Aug, 10:00 PM AEST3.6Good
26 Aug, 9:00 PM AEST3.7Good
26 Aug, 8:00 PM AEST4.2Good
26 Aug, 7:00 PM AEST3.9Good
26 Aug, 6:00 PM AEST3.8Good
26 Aug, 5:00 PM AEST4.1Good
26 Aug, 4:00 PM AEST4.1Good
26 Aug, 3:00 PM AEST4.7Good
26 Aug, 2:00 PM AEST5.5Good
26 Aug, 1:00 PM AEST4.5Good
26 Aug, 12:00 PM AEST4.5Good
26 Aug, 11:00 AM AEST4.5Good
26 Aug, 10:00 AM AEST4.4Good
26 Aug, 9:00 AM AEST3.9Good
26 Aug, 8:00 AM AEST3.8Good
26 Aug, 7:00 AM AEST4.0Good
26 Aug, 6:00 AM AEST3.8Good
26 Aug, 5:00 AM AEST3.8Good
26 Aug, 4:00 AM AEST4.0Good
26 Aug, 3:00 AM AEST4.2Good
26 Aug, 2:00 AM AEST4.5Good
26 Aug, 1:00 AM AEST4.5Good
26 Aug, 12:00 AM AEST5.3Good
25 Aug, 11:00 PM AEST5.2Good
25 Aug, 10:00 PM AEST5.8Good
25 Aug, 9:00 PM AEST6.0Good
25 Aug, 8:00 PM AEST6.9Good
25 Aug, 7:00 PM AEST5.8Good
25 Aug, 6:00 PM AEST5.7Good
25 Aug, 5:00 PM AEST5.4Good
25 Aug, 4:00 PM AEST4.8Good
25 Aug, 3:00 PM AEST4.5Good
25 Aug, 2:00 PM AEST5.1Good
25 Aug, 1:00 PM AEST5.6Good
25 Aug, 12:00 PM AEST5.1Good
25 Aug, 11:00 AM AEST4.9Good

Nearby government monitors

same jurisdiction
Yarrabah0.8 µg/m³ PM2.515 km away · Queensland DETSIGordonvale0.5 µg/m³ PM2.516 km away · Queensland DETSIMareeba3.5 µg/m³ PM2.534 km away · Queensland DETSIAtherton1.0 µg/m³ PM2.544 km away · Queensland DETSIMossman2.6 µg/m³ PM2.569 km away · Queensland DETSIInnisfail2.2 µg/m³ PM2.569 km away · Queensland DETSI