What is the air quality trend in Fort St. John?

Over the past 13 days, Fort St. John had an average AQI of 47 based on station measurements. The worst day was 2026-08-01 with AQI 98.

How is Fort St. John air quality measured?

Air quality in Fort St. John 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 Fort St. John, Canada

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

Historical PM2.5 and AQI trend from monitoring stations near Fort St. John, Canada.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

221h

PM2.5 Station

221h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-08	59	59–59	15.8 µg/m³	17.5	1h	1
2026-08-07	34	5–67	8.9 µg/m³	10.4	24h	1
2026-08-06	14	4–82	3.6 µg/m³	4.2	22h	1
2026-08-05	25	11–47	6.0 µg/m³	6.6	24h	1
2026-08-04	17	5–25	4.1 µg/m³	4.5	24h	1
2026-08-03	44	9–91	12.5 µg/m³	14.6	23h	1
2026-08-02	28	2–67	7.5 µg/m³	8.7	10h	1
2026-08-01	98	3–156	33.6 µg/m³	41.9	18h	1
2026-07-31	13	2–27	3.0 µg/m³	3.8	24h	1
2026-07-29	75	3–131	26.6 µg/m³	32.4	5h	1
2026-07-28	46	4–94	13.6 µg/m³	15.4	11h	1
2026-07-27	80	11–140	27.8 µg/m³	33.0	15h	1
2026-07-26	90	12–157	31.1 µg/m³	37.5	20h	1

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