What is the air quality trend in Terrace?

Over the past 15 days, Terrace had an average AQI of 44 based on station measurements. The worst day was 2026-06-04 with AQI 57.

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
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

195h

PM2.5 Station

195h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	14	3–22	3.3 µg/m³	6h	2
2026-06-08	42	10–150	12.6 µg/m³	9h	2
2026-06-07	44	6–82	12.0 µg/m³	16h	1
2026-06-06	56	13–153	18.1 µg/m³	9h	1
2026-06-05	53	7–129	16.4 µg/m³	11h	1
2026-06-04	57	10–135	18.4 µg/m³	12h	1
2026-06-03	42	16–123	13.0 µg/m³	5h	1
2026-06-02	34	5–84	9.4 µg/m³	9h	2
2026-06-01	54	7–181	23.6 µg/m³	15h	2
2026-05-31	42	6–227	18.0 µg/m³	18h	2
2026-05-30	39	12–98	11.1 µg/m³	20h	2
2026-05-29	47	7–127	13.3 µg/m³	21h	2
2026-05-28	45	14–130	13.4 µg/m³	17h	2
2026-05-27	49	9–164	16.2 µg/m³	17h	2
2026-05-26	45	18–145	13.2 µg/m³	10h	2

Back to Terrace Air Quality