What is the air quality trend in St Clair?

Over the past 3 days, St Clair had an average AQI of 34 based on station measurements. The worst day was with AQI .

How is St Clair air quality measured?

Air quality in St Clair 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 St Clair, Australia

Name: St Clair Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near St Clair, Australia.

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

45h · 4 stations

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-11	14	4–20	3.4 µg/m³	9.3	12h	3
2026-04-10	33	6–54	7.9 µg/m³	12.4	24h	3
2026-04-09	57	47–64	15.2 µg/m³	20.4	9h	3

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