What is the air quality trend in Cranbrook?

Over the past 8 days, Cranbrook had an average AQI of 51 based on station measurements. The worst day was 2026-07-19 with AQI 94.

How is Cranbrook air quality measured?

Air quality in Cranbrook 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 Cranbrook, Canada

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

154h

PM2.5 Station

154h · 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	54	21–79	14.2 µg/m³	20h	2
2026-07-20	48	22–104	12.7 µg/m³	24h	2
2026-07-19	94	15–158	33.0 µg/m³	23h	2
2026-07-18	49	27–74	12.5 µg/m³	20h	2
2026-07-17	44	17–138	11.6 µg/m³	22h	2
2026-07-16	56	24–144	16.4 µg/m³	22h	2
2026-07-15	39	23–63	9.7 µg/m³	22h	2
2026-07-14	24	24–24	5.7 µg/m³	1h	2

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