What is the air quality trend in Saguenay?

Over the past 7 days, Saguenay had an average AQI of 54 based on station measurements. The worst day was 2026-07-16 with AQI 99.

How is Saguenay air quality measured?

Air quality in Saguenay 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 Saguenay, Canada

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

Historical PM2.5 and AQI trend from monitoring stations near Saguenay, Canada.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

137h

PM2.5 Station

137h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	32	3–66	7.9 µg/m³	16h	2
2026-07-20	45	9–101	12.2 µg/m³	23h	2
2026-07-19	35	7–56	8.4 µg/m³	18h	2
2026-07-18	50	25–128	13.4 µg/m³	21h	2
2026-07-17	55	23–121	15.0 µg/m³	22h	2
2026-07-16	99	42–442	50.2 µg/m³	20h	2
2026-07-15	62	9–162	19.5 µg/m³	17h	2

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