What is the air quality trend in Edmundston?

Over the past 8 days, Edmundston had an average AQI of 67 based on station measurements. The worst day was 2026-07-17 with AQI 109.

How is Edmundston air quality measured?

Air quality in Edmundston 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 Edmundston, Canada

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

115h

PM2.5 Station

115h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	45	12–71	11.6 µg/m³	17h	2
2026-07-20	38	11–88	10.5 µg/m³	17h	2
2026-07-19	46	11–169	14.1 µg/m³	19h	2
2026-07-18	50	14–168	15.7 µg/m³	18h	2
2026-07-17	109	11–345	74.9 µg/m³	16h	1
2026-07-16	93	19–240	55.3 µg/m³	12h	1
2026-07-15	68	16–184	24.5 µg/m³	15h	1
2026-07-14	87	87–87	29.2 µg/m³	1h	3

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