Sydney vs Melbourne

Live AQI Comparison

Updated 3h ago · Data from OpenAQ

Sydney

Australia

Good

PM2.54.5 µg/m³

PM1011.7 µg/m³

Melbourne

Australia

Good

PM2.510.2 µg/m³

PM10—

Verdict

Melbourne currently has worse air quality than Sydney (AQI 23 points higher). Both cities have acceptable air quality levels.

Sydney vs Melbourne Air Quality Analysis

Based on the latest measurements, Melbourne has an AQI of 42 compared to Sydney's AQI of 19. The World Health Organization (WHO) recommends annual PM2.5 levels below 15 µg/m³ and 24-hour levels below 45 µg/m³.

PM2.5 levels in both cities are within WHO guidelines. Outdoor activities can be enjoyed without air quality concerns.

Air quality can change rapidly due to weather patterns, traffic, and industrial activity. Check back hourly for the latest comparison between Sydney and Melbourne.

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Sydney Air Quality →

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Melbourne Air Quality →

Frequently Asked Questions

Which city has worse air quality today, Sydney or Melbourne?

Melbourne currently has worse air quality with an AQI of 42 compared to Sydney's AQI of 19. This data is updated hourly from government monitoring stations.

Is it safer to be in Sydney or Melbourne right now?

Based on current AQI levels, Sydney (AQI 19) has safer air quality than Melbourne (AQI 42). Both cities have acceptable air quality for outdoor activities.

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