What is the air quality trend in West Hill?

Over the past 8 days, West Hill had an average AQI of 69 based on station measurements. The worst day was 2026-07-18 with AQI 108.

How is West Hill air quality measured?

Air quality in West Hill 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 West Hill, Canada

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

109h

PM2.5 Station

109h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-22	38	38–38	9.1 µg/m³	—	1h	4
2026-07-21	88	8–127	30.8 µg/m³	40.7	24h	1
2026-07-20	36	1–120	10.7 µg/m³	14.3	16h	1
2026-07-19	41	13–163	15.3 µg/m³	4.4	7h	2
2026-07-18	108	32–175	53.1 µg/m³	—	4h	4
2026-07-17	75	1–121	25.1 µg/m³	30.0	15h	1
2026-07-16	107	71–151	37.5 µg/m³	45.6	24h	1
2026-07-15	66	11–114	21.8 µg/m³	24.8	18h	1

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