What is the air quality trend in Cliffcrest?

Over the past 7 days, Cliffcrest had an average AQI of 75 based on station measurements. The worst day was 2026-07-18 with AQI 109.

How is Cliffcrest air quality measured?

Air quality in Cliffcrest 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 Cliffcrest, Canada

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

106h

PM2.5 Station

106h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	94	8–127	33.0 µg/m³	43.5	22h	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	109	31–178	54.8 µg/m³	—	4h	3
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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