← Return to main page · Tasmania outlook St Helens PM2.5 monitor
Hourly government air-quality observations from EPA Tasmania.
Tasmania · -41.3060, 148.2190 · observed 11 Oct, 9:00 PM AEDT · Government monitor
2.0 Latest hourly PM2.5 · µg/m³ Good · <12.5 µg/m³
1.8 12-hour NowCast · µg/m³ Derived concentration, not an Australian AQI
2.7 Rolling 24 hours · µg/m³ 47 stored readings in this page window
Good Model peak · next 24 h 4.8–7.5 µg/m³ · GEOS-CF, CAMS and SILAM
What this monitor reports 2.0 µg/m³ is Good on the one-hour PM2.5 air quality scale. Current hourly reading.
The monitor belongs to EPA Tasmania. 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 22 planned or registered burns.
View 22 planned or registered burns nearby ST HELENS — ANSONS BAY ROAD 4 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26038591 Starts 28 Sep, 9:00 AM AEST Scheduled end 19 Oct, 6:00 PM AEDT Official source PYENGANA — POWERS ROAD 16 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26040904 Starts 11 Oct, 1:01 PM AEDT Scheduled end 15 Oct, 12:29 PM AEDT Official source MATHINNA — CLAYTONS ROAD 30 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26040861 Starts 11 Oct, 9:52 AM AEDT Scheduled end 11 Oct, 11:00 PM AEDT Official source ST MARYS — ESK MAIN ROAD 30 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26034648 Starts 04 Sep, 12:00 PM AEST Scheduled end 31 Oct, 6:19 PM AEDT Official source WATERHOUSE — HALFWAY ROAD 62 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26039945 Starts 05 Oct, 6:45 AM AEDT Scheduled end 05 Dec, 11:59 PM AEDT Official source LEGANA — FRESHWATER POINT ROAD 97 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26040703 Starts 09 Oct, 7:30 PM AEDT Scheduled end 11 Oct, 11:59 PM AEDT Official source LEGANA — WEST TAMAR HIGHWAY 97 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26040958 Starts 11 Oct, 5:20 PM AEDT Scheduled end 11 Oct, 11:13 PM AEDT Official source LEGANA — ACROPOLIS DRIVE 98 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26040887 Starts 11 Oct, 11:30 AM AEDT Scheduled end 11 Oct, 11:45 PM AEDT Official source Fire incident 100 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26040980 Starts 11 Oct, 7:33 PM AEDT Scheduled end 11 Oct, 9:30 PM AEDT Official source BRIDGENORTH — MANEYS ROAD 103 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26040966 Starts 11 Oct, 6:36 PM AEDT Scheduled end 11 Oct, 10:00 PM AEDT Official source DEVIOT — MOTOR ROAD 108 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26038910 Starts 29 Sep, 5:05 PM AEST Scheduled end 30 Oct, 2:00 AM AEDT Official source WESTBURY — FIVE ACRE ROW 116 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26040860 Starts 11 Oct, 9:44 AM AEDT Scheduled end 11 Oct, 9:44 PM AEDT Official source CLARENCE POINT — SUNSET BOULEVARD 120 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26040690 Starts 09 Oct, 5:30 PM AEDT Scheduled end 13 Oct, 6:00 PM AEDT Official source YORK PLAINS — SORELL SPRINGS ROAD 123 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26040744 Starts 10 Oct, 9:00 AM AEDT Scheduled end 11 Oct, 11:59 PM AEDT Official source LACKRANA — REEDY LAGOON ROAD 125 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26040845 Starts 11 Oct, 7:00 PM AEDT Scheduled end 12 Oct, 7:00 PM AEDT Official source ANDOVER — NALA ROAD 128 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26040546 Starts 08 Oct, 3:40 PM AEDT Scheduled end 18 Oct, 11:59 PM AEDT Official source LACKRANA — REEDY LAGOON ROAD 128 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26040841 Starts 11 Oct, 9:15 AM AEDT Scheduled end 12 Oct, 9:30 AM AEDT Official source LACKRANA — REEDY LAGOON ROAD 130 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26040843 Starts 11 Oct, 7:00 PM AEDT Scheduled end 12 Oct, 7:00 PM AEDT Official source OATLANDS — MIDLAND HIGHWAY 135 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26040608 Starts 09 Oct, 10:19 AM AEDT Scheduled end 12 Oct, 10:20 PM AEDT Official source TODS CORNER — HIGHLAND LAKES ROAD 142 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26040651 Starts 09 Oct, 1:42 PM AEDT Scheduled end 17 Oct, 6:00 PM AEDT Official source STEPPES — WADDAMANA ROAD 144 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26039636 Starts 03 Oct, 4:04 PM AEST Scheduled end 17 Oct, 6:00 PM AEDT Official source BUCKLAND — WOODSDEN ROAD 149 km away · Active · Registered Burn Tasmania Fire Service / TasALERT Registered burn details Permit 26039305 Starts 02 Oct, 4:00 PM AEST Scheduled end 16 Oct, 11:59 PM AEDT Official source Agency fire reports updated 11 Oct, 9:25 PM AEDT
Straight-line distance from the St Helens 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
20 0 −24 h Now +24 h +48 h µg/m³
Observed hourly PM2.5 NASA GEOS-CF CAMS FMI SILAM
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 hours Good 4.8–5.6 µg/m³ · 3 of 3 models
Next 12 hours Good 4.8–5.6 µg/m³ · 3 of 3 models
Next 24 hours Good 4.8–7.5 µg/m³ · 3 of 3 models
Next 48 hours Good 4.8–9.5 µg/m³ · 3 of 3 models
Model detail 3 available · 48-hour peak table Model 48-hour peak Category Peak around NASA GEOS-CF 5.5 µg/m³ Good 12 Oct, 5:30 AM AEDT CAMS 9.5 µg/m³ Good 13 Oct, 2:00 AM AEDT FMI SILAM 4.8 µg/m³ Good 11 Oct, 10:00 PM AEDT
Recent hourly readings 47 stored Observed local PM2.5 µg/m³ Air quality 11 Oct, 9:00 PM AEDT 2.0 Good 11 Oct, 8:00 PM AEDT 2.0 Good 11 Oct, 7:00 PM AEDT 1.0 Good 11 Oct, 6:00 PM AEDT 1.0 Good 11 Oct, 4:50 PM AEDT 1.0 Good 11 Oct, 4:00 PM AEDT 1.0 Good 11 Oct, 3:00 PM AEDT 1.0 Good 11 Oct, 1:50 PM AEDT 1.0 Good 11 Oct, 1:00 PM AEDT 1.0 Good 11 Oct, 11:50 AM AEDT 1.0 Good 11 Oct, 10:00 AM AEDT 2.0 Good 11 Oct, 9:00 AM AEDT 2.0 Good 11 Oct, 8:00 AM AEDT 17.0 Fair 11 Oct, 7:00 AM AEDT 1.0 Good 11 Oct, 6:00 AM AEDT 2.0 Good 11 Oct, 4:50 AM AEDT 2.0 Good 11 Oct, 4:00 AM AEDT 3.0 Good 11 Oct, 3:00 AM AEDT 3.0 Good 11 Oct, 2:00 AM AEDT 3.0 Good 11 Oct, 12:50 AM AEDT 3.0 Good 11 Oct, 12:00 AM AEDT 3.0 Good 10 Oct, 10:50 PM AEDT 3.0 Good 10 Oct, 10:00 PM AEDT 3.0 Good 10 Oct, 8:50 PM AEDT 2.0 Good 10 Oct, 7:50 PM AEDT 2.0 Good 10 Oct, 7:00 PM AEDT 3.0 Good 10 Oct, 6:00 PM AEDT 3.0 Good 10 Oct, 5:00 PM AEDT 3.0 Good 10 Oct, 4:00 PM AEDT 3.0 Good 10 Oct, 3:00 PM AEDT 2.0 Good 10 Oct, 2:00 PM AEDT 2.0 Good 10 Oct, 1:00 PM AEDT 2.0 Good 10 Oct, 11:50 AM AEDT 2.0 Good 10 Oct, 11:00 AM AEDT 2.0 Good 10 Oct, 10:00 AM AEDT 1.0 Good 10 Oct, 9:00 AM AEDT 3.0 Good 10 Oct, 8:00 AM AEDT 4.0 Good 10 Oct, 7:00 AM AEDT 4.0 Good 10 Oct, 6:00 AM AEDT 5.0 Good 10 Oct, 5:00 AM AEDT 5.0 Good 10 Oct, 4:00 AM AEDT 4.0 Good 10 Oct, 3:00 AM AEDT 4.0 Good 10 Oct, 2:00 AM AEDT 4.0 Good 10 Oct, 12:50 AM AEDT 3.0 Good 10 Oct, 12:00 AM AEDT 3.0 Good 09 Oct, 10:50 PM AEDT 2.0 Good 09 Oct, 10:00 PM AEDT 2.0 Good
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