Wednesday
20 September 2023
12 - 1 am (AEST)
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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 1-hour
average
rolling
4-hour
average
1-hour
average
1-hour
average
rolling
8-hour
average
1-hour
average
rolling
24-hour
average
rolling
24-hour
average
Sydney East Alexandria 27 20 4 12 0 0 70 69 70 77
Cook And Phillip 66 77 77
Earlwood 17 6 15 19 61 70 70
Lidcombe 37 29 4 11 3 0 48 47 48
Macquarie Park
Randwick 69 63 69
Rozelle
Sydney North-west Parramatta North 64 51 64 322
Penrith 22 26 7 12 0 0 55 50 55
Prospect
Richmond 322 36 322
Rouse Hill 40 50 1 11 1 1 39 50
St Marys 3 2 24 14 49 41 49
Sydney South-west Bargo 86
Bringelly 9 15 4 16 0 62 39 62
Camden 19 27 5 13 1 51 37 51
Campbelltown West 7 13 25 17 2 1 50 42 50
Liverpool 35 15 1 12 1 0 86 63 86
Oakdale 38 47 0 13 38 26 47
Illawarra Wollongong 39 45 4 15 0 0 46 43 46 46
Kembla Grange
Albion Park South 23 21 3 10 0 34 29 34
Lower Hunter Newcastle 101 101 101
Beresfield
Wallsend 2 6 18 23 0 62 48 62
Central Coast Wyong
Lake Macquarie Morisset 22 41 17 11 1 15 53 66 66 66
Central Tablelands Bathurst 54 32 54 54
Orange 36 49 10 29 28 49
Mid-north Coast Coffs Harbour 27 21 27 27
Port Macquarie
Northern Tablelands Armidale 11 27 28 28 28
North-west Slopes Gunnedah 27 34 2 45 35 45 58
Narrabri 32 30 32
Tamworth 26 15 2 58 35 58
Southern Tablelands Goulburn 41 51 11 39 34 51 51
South-west Slopes Albury 53 24 53 57
Wagga Wagga North 34 49 57 32 57
Muswellbrook Muswellbrook 66 42 66
Singleton Singleton 16 0 84 37 84 84
Merriwa Merriwa
NSW ALERTS SYDNEY FORECAST
Wed 20 Sep 2023
Updated hourly Updated daily
at 4:00pm
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.