4 May 2026
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| Monday 4 May 2026 Previous | Next | Select Show data readings
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| 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 |
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| Sydney East | Alexandria | 17 | 24 | 14 | 23 | 2 | 6 | 20 | 18 | 24 | 148 | ||
| Cook And Phillip | 11 | 17 | 15 | 16 | 1 | 21 | 19 | 21 | |||||
| Earlwood | 15 | 16 | 14 | 25 | 27 | 22 | 27 | ||||||
| Lidcombe | 14 | 17 | 23 | 148 | 3 | 1 | 39 | 48 | 148 | ||||
| Macquarie Park | 18 | 21 | 7 | 11 | 1 | 1 | 21 | 15 | 21 | ||||
| Randwick | 18 | 27 | 15 | 18 | 8 | 32 | 22 | 32 | |||||
| Rozelle | 18 | 21 | 10 | 25 | 0 | 3 | 26 | 23 | 26 | ||||
| Ultimo-uts | 11 | 16 | 21 | 20 | 3 | 24 | 24 | 24 | |||||
| Sydney North-west | Parramatta North | 19 | 20 | 10 | 84 | 3 | 0 | 33 | 31 | 84 | 379 | ||
| Penrith | 10 | 12 | 8 | 360 | 7 | 0 | 68 | 104 | 360 | ||||
| Prospect | 22 | 24 | 14 | 285 | 3 | 1 | 53 | 59 | 285 | ||||
| Richmond | 15 | 18 | 7 | 379 | 0 | 108 | 244 | 379 | |||||
| Rouse Hill | 18 | 21 | 11 | 150 | 1 | 1 | 37 | 34 | 150 | ||||
| St Marys | 12 | 13 | 12 | 80 | 43 | 36 | 80 | ||||||
| Sydney South-west | Bringelly | 12 | 12 | 14 | 78 | 0 | 54 | 58 | 78 | 421 | |||
| Camden | 11 | 9 | 12 | 91 | 2 | 43 | 56 | 91 | |||||
| Campbelltown West | 8 | 6 | 19 | 73 | 2 | 1 | 44 | 53 | 73 | ||||
| Liverpool | 16 | 16 | 14 | 65 | 2 | 1 | 47 | 50 | 65 | ||||
| Oakdale | 20 | 26 | 5 | 421 | 60 | 106 | 421 | ||||||
| Illawarra | Wollongong | 24 | 21 | 14 | 30 | 0 | 1 | 32 | 32 | 32 | 32 | ||
| Kembla Grange | 23 | 25 | 7 | 23 | 30 | 32 | 32 | ||||||
| Albion Park South | 23 | 23 | 11 | 32 | 0 | 26 | 26 | 32 | |||||
| Lower Hunter | Newcastle | 24 | 29 | 19 | 13 | 3 | 2 | 38 | 25 | 38 | 38 | ||
| Beresfield | 27 | 28 | 16 | 11 | 2 | 35 | 12 | 35 | |||||
| Wallsend | 28 | 28 | 11 | 9 | 1 | 30 | 16 | 30 | |||||
| Newcastle | Carrington | 21 | 2 | 56 | 23 | 56 | 56 | ||||||
| Stockton | 25 | 31 | 20 | 3 | 31 | ||||||||
| Mayfield | 18 | 2 | 35 | 39 | 39 | ||||||||
| Central Coast | Wyong | 19 | 22 | 13 | 6 | 2 | 7 | 21 | 13 | 22 | 22 | ||
| Lake Macquarie | Morisset | 24 | 30 | 7 | 7 | 0 | 5 | 17 | 17 | 30 | 30 | ||
| Central Tablelands | Bathurst | 22 | 26 | 25 | 17 | 26 | 29 | ||||||
| Orange | 24 | 29 | 26 | 23 | 14 | 16 | 29 | ||||||
| Mid-north Coast | Coffs Harbour | 23 | 27 | 6 | 22 | 1 | 24 | 15 | 27 | 31 | |||
| Port Macquarie | 25 | 31 | 8 | 25 | 0 | 0 | 30 | 22 | 31 | ||||
| Northern Tablelands | Armidale | 29 | 10 | 14 | 29 | 29 | |||||||
| North-west Slopes | Gunnedah | 27 | 32 | 8 | 32 | 41 | |||||||
| Narrabri | 19 | 17 | 19 | ||||||||||
| Tamworth | 30 | 36 | 7 | 41 | 12 | 41 | |||||||
| Southern Tablelands | Goulburn | 27 | 32 | 6 | 10 | 14 | 14 | 32 | 32 | ||||
| South-west Slopes | Albury | 27 | 33 | 14 | 13 | 16 | 33 | 35 | |||||
| Wagga Wagga North | 28 | 35 | 13 | 14 | 15 | 35 | |||||||
| Muswellbrook | Muswellbrook | 17 | 17 | 15 | 1 | 30 | 22 | 30 | 30 | ||||
| Singleton | Singleton | 22 | 22 | 17 | 3 | 48 | 13 | 48 | 48 | ||||
| Merriwa | Merriwa | 25 | 29 | 5 | 5 | 0 | 0 | 19 | 14 | 29 | 29 | ||
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
Unusually sensitive people should consider reducing prolonged or heavy outdoor exertion
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
Unusually sensitive people should consider reducing prolonged or heavy outdoor exertion
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
People with heart or lung disease, older adults, and children should avoid exercising outdoors. Everyone else should reduce prolonged or heavy exertion. f you have symptoms rest and use your reliever medicine. If symptoms persist, seek medical advice
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
Sensitive groups - reduce outdoor physical activity if you develop symptoms such as cough or shortness of breath.
Everyone else - no change needed to your normal activities.
Sensitive groups - avoid outdoor physical activity if you develop symptoms such as cough or shortness of breath.
Everyone else - reduce outdoor physical activity if you develop symptoms such as cough or shortness of breath.
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
People with heart or lung disease, older adults, and children should avoid exercising outdoors. Everyone else should reduce prolonged or heavy exertion. f you have symptoms rest and use your reliever medicine. If symptoms persist, seek medical advice
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
People with heart or lung disease, older adults, and children should avoid exercising outdoors. Everyone else should reduce prolonged or heavy exertion. f you have symptoms rest and use your reliever medicine. If symptoms persist, seek medical advice
No health impacts are expected when air quality is in this range
Sensitive groups - avoid outdoor physical activity if you develop symptoms such as cough or shortness of breath.
Everyone else - reduce outdoor physical activity if you develop symptoms such as cough or shortness of breath.
Everyone, especially people with heart or lung disease should avoid outdoor exertion and stay inside as much as possible. If you have symptoms rest and use your reliever medicine. If symptoms persist, seek medical advice
Everyone, especially people with heart or lung disease should avoid outdoor exertion and stay inside as much as possible. If you have symptoms rest and use your reliever medicine. If symptoms persist, seek medical advice
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
People with heart or lung disease should avoid exercising outdoors.
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
People with heart or lung disease, older adults, and children should avoid exercising outdoors. Everyone else should reduce prolonged or heavy exertion. f you have symptoms rest and use your reliever medicine. If symptoms persist, seek medical advice
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
People with heart or lung disease, older adults, and children should avoid exercising outdoors. Everyone else should reduce prolonged or heavy exertion. f you have symptoms rest and use your reliever medicine. If symptoms persist, seek medical advice
No change needed to your normal outdoor activities
Sensitive groups - avoid outdoor physical activity if you develop symptoms such as cough or shortness of breath.
Everyone else - reduce outdoor physical activity if you develop symptoms such as cough or shortness of breath.
No health impacts are expected when air quality is in this range
People with heart or lung disease, older adults, and children should avoid exercising outdoors. Everyone else should reduce prolonged or heavy exertion. f you have symptoms rest and use your reliever medicine. If symptoms persist, seek medical advice
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No health impacts are expected when air quality is in this range
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No change needed to your normal outdoor activities
No health impacts are expected when air quality is in this range
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
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