What is the air quality trend in Mount Pleasant West?

Over the past 15 days, Mount Pleasant West had an average AQI of 50 based on station measurements. The worst day was 2026-05-20 with AQI 77.

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

337h

PM2.5 Station

337h · 13 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	41	25–67	10.3 µg/m³	1.9	11h	11
2026-05-29	45	10–130	12.7 µg/m³	12.1	24h	15
2026-05-28	35	14–80	9.0 µg/m³	1.6	24h	14
2026-05-27	47	17–155	13.3 µg/m³	6.1	24h	12
2026-05-26	38	15–81	10.0 µg/m³	6.0	24h	10
2026-05-25	70	31–180	24.1 µg/m³	11.2	24h	14
2026-05-24	50	24–129	13.8 µg/m³	7.1	24h	16
2026-05-23	51	18–137	14.6 µg/m³	2.7	24h	15
2026-05-22	39	14–84	10.1 µg/m³	5.0	24h	12
2026-05-21	59	22–187	19.7 µg/m³	1.6	24h	14
2026-05-20	77	16–176	28.0 µg/m³	7.2	24h	13
2026-05-19	41	17–81	10.9 µg/m³	8.5	24h	12
2026-05-18	45	24–77	11.5 µg/m³	29.4	24h	10
2026-05-17	62	29–152	18.4 µg/m³	27.7	24h	5
2026-05-16	52	24–91	14.3 µg/m³	12.1	14h	15

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