Australia
Sydney
Good
Air Quality Index
Updated Mar 21, 12:01 AM · Data from OpenAQ
Current Pollution Levels in Sydney
PM2.5
Good4.5
µg/m³
PM10
Good11.7
µg/m³
O₃
—0.031
ppm
Sydney Air Quality 24-Hour Trend
Air Quality Analysis for Sydney
Sydney, Australia air quality this morning is rated Good with an Air Quality Index (AQI) of 19. The primary pollutant PM2.5 is measured at 4.5 µg/m³. PM10 (coarse particles) is at 11.7 µg/m³.
The current PM2.5 level is within WHO air quality guidelines, indicating relatively clean air conditions in Sydney today.
PM2.5 levels are stable, staying close to the recent average of 4.5 µg/m³.
Health Recommendation
Air quality in Sydney is excellent. All outdoor activities are safe. Perfect conditions for jogging, cycling, and outdoor sports.
Ideal conditions
Recommended
Recent Sydney Air Quality Measurements
| Time | AQI | PM2.5 | PM10 |
|---|---|---|---|
| 12:01 AM | 19 | 4.5 | 11.7 |
| 11:56 PM | 19 | 4.5 | 11.7 |
| 11:23 PM | 19 | 4.5 | 11.7 |
Frequently Asked Questions
Is air quality in Sydney safe today?
Yes, Sydney air quality is currently good with an AQI of 19. Outdoor activities are safe for everyone.
What AQI level is considered unhealthy?
According to EPA standards, AQI 0-50 is Good, 51-100 is Moderate, 101-150 is Unhealthy for Sensitive Groups, 151-200 is Unhealthy, 201-300 is Very Unhealthy, and above 300 is Hazardous. The WHO recommends annual PM2.5 levels below 15 µg/m³ for optimal health.
Should I wear a mask today in Sydney?
With Sydney's current AQI of 19, masks are generally not necessary for most people. However, if you have respiratory conditions, a mask may provide additional comfort.
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