What is the air quality trend in Rouyn-Noranda?

Over the past 15 days, Rouyn-Noranda had an average AQI of 60 based on station measurements. The worst day was 2026-08-06 with AQI 111.

How is Rouyn-Noranda air quality measured?

Air quality in Rouyn-Noranda 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 Rouyn-Noranda, Canada

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

Historical PM2.5 and AQI trend from monitoring stations near Rouyn-Noranda, Canada.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

332h

PM2.5 Station

332h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	96	96–96	33.3 µg/m³	1h	1
2026-08-07	58	32–109	16.3 µg/m³	24h	1
2026-08-06	111	25–152	39.4 µg/m³	24h	1
2026-08-05	109	59–138	38.0 µg/m³	24h	1
2026-08-04	46	21–59	11.3 µg/m³	24h	1
2026-08-03	20	12–50	4.7 µg/m³	23h	1
2026-08-02	15	4–39	3.5 µg/m³	23h	1
2026-08-01	70	7–132	23.2 µg/m³	24h	1
2026-07-31	74	34–123	23.1 µg/m³	24h	1
2026-07-30	32	10–61	7.9 µg/m³	24h	1
2026-07-29	19	3–48	4.7 µg/m³	23h	1
2026-07-28	42	17–80	10.7 µg/m³	24h	1
2026-07-27	75	60–90	23.3 µg/m³	24h	1
2026-07-26	72	54–92	21.9 µg/m³	24h	1
2026-07-25	64	43–118	18.3 µg/m³	22h	1

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