What is the air quality trend in Terrace?

Over the past 21 days, Terrace had an average AQI of 52 based on station measurements. The worst day was 2026-05-23 with AQI 75.

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

395h

PM2.5 Station

395h · 4 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	33	18–64	8.3 µg/m³	7h	3
2026-06-08	56	9–180	22.4 µg/m³	17h	2
2026-06-07	53	12–104	15.4 µg/m³	22h	2
2026-06-06	42	13–99	11.8 µg/m³	15h	2
2026-06-05	55	3–203	20.5 µg/m³	19h	2
2026-06-04	55	10–136	17.1 µg/m³	18h	2
2026-06-03	42	15–122	12.0 µg/m³	15h	1
2026-06-02	50	2–89	14.8 µg/m³	16h	2
2026-06-01	42	8–181	15.5 µg/m³	21h	2
2026-05-31	41	6–184	16.2 µg/m³	21h	2
2026-05-30	54	12–131	16.2 µg/m³	21h	3
2026-05-29	46	10–127	12.9 µg/m³	22h	3
2026-05-28	52	15–130	14.7 µg/m³	21h	3
2026-05-27	55	16–164	17.6 µg/m³	19h	2
2026-05-26	54	10–145	16.3 µg/m³	21h	3
2026-05-25	69	9–157	22.9 µg/m³	20h	3
2026-05-24	57	10–122	17.5 µg/m³	23h	3
2026-05-23	75	15–235	30.1 µg/m³	23h	3
2026-05-22	39	7–143	11.1 µg/m³	22h	2
2026-05-21	68	11–251	31.2 µg/m³	21h	3
2026-05-20	55	15–158	17.2 µg/m³	11h	3

Back to Terrace Air Quality