What is the air quality trend in Saint Clair Shores?

Over the past 2 days, Saint Clair Shores had an average AQI of 111 based on station measurements. The worst day was 2026-07-20 with AQI 113.

How is Saint Clair Shores air quality measured?

Air quality in Saint Clair Shores 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 Saint Clair Shores, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Saint Clair Shores, United States.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

48h

PM2.5 Station

48h · 2 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	109	58–138	38.3 µg/m³	47.3	24h	1
2026-07-20	113	95–150	40.3 µg/m³	48.5	24h	1

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