What is the air quality trend in Mount Pleasant West?

Over the past 7 days, Mount Pleasant West had an average AQI of 75 based on station measurements. The worst day was 2026-07-18 with AQI 114.

How is Mount Pleasant West air quality measured?

Air quality in Mount Pleasant West 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 Mount Pleasant West, Canada

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

108h

PM2.5 Station

108h · 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	88	8–127	30.8 µg/m³	40.7	24h	1
2026-07-20	36	1–120	10.8 µg/m³	14.3	16h	1
2026-07-19	43	12–161	15.4 µg/m³	4.4	7h	3
2026-07-18	114	37–179	61.0 µg/m³	—	4h	6
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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