What is the air quality trend in High Park-Swansea?

Over the past 14 days, High Park-Swansea had an average AQI of 61 based on station measurements. The worst day was 2026-07-18 with AQI 113.

How is High Park-Swansea air quality measured?

Air quality in High Park-Swansea 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 High Park-Swansea, Canada

Name: High Park-Swansea Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near High Park-Swansea, Canada.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

180h

PM2.5 Station

180h · 6 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	91	8–127	31.9 µg/m³	23h	1
2026-07-20	36	1–120	10.7 µg/m³	16h	1
2026-07-19	44	13–159	15.2 µg/m³	7h	3
2026-07-18	113	36–177	59.0 µg/m³	4h	6
2026-07-17	75	1–121	25.1 µg/m³	15h	1
2026-07-16	107	71–151	37.5 µg/m³	24h	1
2026-07-15	66	11–114	21.8 µg/m³	18h	1
2026-07-14	58	55–60	15.3 µg/m³	3h	6
2026-07-13	67	56–84	19.7 µg/m³	8h	6
2026-07-12	62	52–80	17.6 µg/m³	7h	6
2026-07-11	54	45–59	13.5 µg/m³	14h	6
2026-07-10	20	1–115	4.8 µg/m³	17h	2
2026-07-09	41	11–55	10.0 µg/m³	13h	5
2026-07-08	27	19–39	6.6 µg/m³	11h	6

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