What is the air quality trend in Sydney Central Business District?

Over the past 8 days, Sydney Central Business District had an average AQI of 23 based on station measurements. The worst day was 2026-06-09 with AQI 64.

How is Sydney Central Business District air quality measured?

Air quality in Sydney Central Business District is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Sydney Central Business District, Australia

Name: Sydney Central Business District Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Sydney Central Business District, Australia.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

91h

PM2.5 Station

91h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	64	55–74	18.4 µg/m³	18.9	2h	1
2026-06-08	43	7–88	11.7 µg/m³	12.0	23h	1
2026-06-07	36	7–93	9.4 µg/m³	10.0	23h	1
2026-06-06	27	4–81	7.1 µg/m³	7.4	16h	1
2026-06-05	5	4–7	1.2 µg/m³	1.3	13h	1
2026-06-04	5	4–7	1.3 µg/m³	1.5	5h	1
2026-06-03	4	4–4	1.0 µg/m³	1.0	2h	1
2026-06-02	5	4–6	1.2 µg/m³	1.3	7h	1

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