Monday
21 September 2026
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Show data readings





GOOD
FAIR
POOR
VERY POOR
EXTREMELY POOR
0 - 66
scale: 33 units		 67 - 99
scale: 33 units		 100 - 149
scale: 33 units		 150 - 199
scale: 33 units		 200
scale: 33 units
Scale: 0 to 250
 

 Pollutants Ozone
O3		 Ozone
O3		 Nitrogen
dioxide
NO2		 Visibility
NEPH		 Carbon
monoxide
CO		 Sulfur
dioxide
SO2		 Particles
PM10		 Particles
PM2.5		  Site AQI

highest
level at
the site
 Regional AQI

highest
level for
the region
 Averaging Periods max
1-hour
average		 max
rolling
4-hour
average		 max
1-hour
average		 max
1-hour
average		 max
rolling
8-hour
average		 max
1-hour
average		 24-hour
average		 24-hour
average
Sydney East Alexandria 29 35 26 24 2 1 35 53
Cook And Phillip 31 35 28 18 3 35 24 35
Earlwood 39 40 25 20 51 37 51
Lidcombe 42 42 20 18 0 0 48 28 48
Macquarie Park 42 48 3 18 0 1 48 32 48
Randwick 38 40 21 25 2 50 29 50
Rozelle 39 41 9 22 0 1 53 30 53
Ultimo-uts 34 34 24 27 2 34 22 34
Sydney North-west Parramatta North 42 45 24 17 1 0 54 18 54 79
Penrith 36 43 16 20 3 0 60 28 60
Prospect 44 47 12 18 0 1 56 35 56
Richmond 39 46 7 17 1 50 32 50
Rouse Hill 37 43 6 19 0 1 52 14 52
St Marys 43 46 18 21 79 31 79
Sydney South-west Bringelly 41 45 19 17 0 61 29 61 66
Camden 38 42 16 21 1 50 28 50
Campbelltown West 29 31 28 11 1 1 45 38 45
Liverpool 42 41 28 11 0 2 66 50 66
Oakdale 34 43 2 19 45 24 45
Illawarra Wollongong 37 46 15 20 5 3 61 33 61 61
Kembla Grange 37 46 12 16 57 30 57
Albion Park South 37 46 2 15 0 37 23 46
Lower Hunter Newcastle 53 61 23 33 2 2 80 36 80 81
Beresfield 44 50 23 25 2 81 34 81
Wallsend 51 57 19 29 2 67 29 67
Newcastle Carrington 25 2 88 26 88 102
Stockton 43 47 28 2 102 37 102
Mayfield 24 2 90 36 90
Central Coast Wyong 36 45 13 16 2 1 54 39 54 54
Lake Macquarie Morisset 2 2 10 25 2 1 37 27 37 37
Central Tablelands Bathurst 35 43 35 25 43 43
Orange 32 39 20 11 21 17 39
Mid-north Coast Coffs Harbour 50 59 13 45 2 40 46 59 59
Port Macquarie 43 52 10 59 1 0 46 48 59
Northern Tablelands Armidale 19 25 19 25 25
North-west Slopes Gunnedah 40 49 14 30 22 49 53
Narrabri 18 15 18
Tamworth 44 53 19 40 23 53
Southern Tablelands Goulburn 39 44 2 7 17 11 44 44
South-west Slopes Albury 30 37 5 30 17 37 39
Wagga Wagga North 32 39 2 38 21 39
Upper Hunter Singleton 45 53 22 9 110 71 110 178
Muswellbrook 40 49 20 2 3 93 36 93
Maison Dieu 107 107
Singleton Nw 137 137
Camberwell 112 27 112
Mount Thorley 109 109
Bulga 68 68
Muswellbrook Nw 86 86
Wybong 60 60
Aberdeen 49 49
Singleton South 129 129
Jerrys Plains 80 80
Warkworth 178 178
Merriwa 39 48 12 18 1 6 49 23 49
   
Gaps indicate that an instrument was not online for that period OR an average could not be calculated as there were not enough valid hourly data values OR that a pollutant is not measured at the site. Data from monitoring sites is collected, stored and shown in reports using Australian Eastern Standard time (AEST). Normally data for any hour should be available approximately 30 minutes later. During daylight saving, please be aware that the actual local time equals the displayed time plus 1 hour