What is the air quality trend in Terrace?

Over the past 8 days, Terrace had an average AQI of 49 based on station measurements. The worst day was 2026-07-16 with AQI 77.

How is Terrace air quality measured?

Air quality in Terrace 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 Terrace, Canada

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

116h

PM2.5 Station

116h · 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	50	18–156	15.0 µg/m³	11h	2
2026-07-20	38	8–96	10.4 µg/m³	20h	2
2026-07-19	55	11–152	16.2 µg/m³	18h	2
2026-07-18	52	5–165	17.3 µg/m³	16h	1
2026-07-17	50	17–153	14.3 µg/m³	17h	2
2026-07-16	77	7–273	36.3 µg/m³	16h	2
2026-07-15	38	1–87	9.9 µg/m³	17h	1
2026-07-14	33	33–33	7.9 µg/m³	1h	1

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