Sydney Air Quality Index (AQI) Today

Air quality in Sydney

The US Air Quality Index (EPA) grades air from 0 to 500 using fine particles (PM2.5/PM10), ozone and nitrogen dioxide. 0-50 is Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, and anything higher affects everyone.

US AQI · EPA

Good

PM2.5

2.5 µg/m³

WHO guideline 15

PM10

4.5 µg/m³

WHO guideline 45

NO₂ · O₃

1 · 82

µg/m³

Hour by hour (12h)

US EPA AQI

12:00 AM 💨 PM2.5 2.5 µg/m³

39Good

1:00 AM 💨 PM2.5 2.5 µg/m³

39Good

2:00 AM 💨 PM2.5 2.3 µg/m³

39Good

3:00 AM 💨 PM2.5 2.1 µg/m³

39Good

4:00 AM 💨 PM2.5 1.9 µg/m³

39Good

5:00 AM 💨 PM2.5 1.6 µg/m³

39Good

6:00 AM 💨 PM2.5 1.4 µg/m³

39Good

7:00 AM 💨 PM2.5 1.1 µg/m³

38Good

8:00 AM 💨 PM2.5 1 µg/m³

38Good

9:00 AM 💨 PM2.5 0.8 µg/m³

38Good

10:00 AM 💨 PM2.5 0.7 µg/m³

38Good

11:00 AM 💨 PM2.5 0.8 µg/m³

39Good

Next few days

daily max · US EPA AQI

Sat 💨 Good · UV Low

Sun 💨 Good · UV Low

Mon 💨 Good · UV Low

Tue 💨 Good · UV Low

Wed 💨 Good · UV Low

Weather map — Sydney

Sydney →

Sydney, NS Air Quality

Air quality in Sydney

Hour by hour (12h)

Next few days

Weather map — Sydney