What is the air quality trend in York University Heights?

Over the past 15 days, York University Heights had an average AQI of 39 based on station measurements. The worst day was 2026-10-13 with AQI 70.

How is York University Heights air quality measured?

Air quality in York University Heights 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 York University Heights, Canada

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

Historical PM2.5 and AQI trend from monitoring stations near York University Heights, Canada.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 6 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	30	7–86	9.1 µg/m³	3.1	4h	4
2026-10-20	26	4–82	7.2 µg/m³	8.3	24h	2
2026-10-19	58	4–153	19.0 µg/m³	22.3	24h	2
2026-10-18	12	1–83	3.2 µg/m³	3.7	24h	2
2026-10-17	49	4–156	16.4 µg/m³	21.9	24h	2
2026-10-16	53	5–170	18.0 µg/m³	20.7	24h	2
2026-10-15	56	2–129	18.2 µg/m³	21.7	24h	2
2026-10-14	38	1–103	11.4 µg/m³	16.1	24h	3
2026-10-13	70	31–154	22.0 µg/m³	24.6	24h	3
2026-10-12	57	17–116	16.7 µg/m³	19.1	24h	3
2026-10-11	25	8–52	5.9 µg/m³	6.2	24h	2
2026-10-10	15	2–80	3.9 µg/m³	4.0	24h	1
2026-10-09	61	5–155	20.5 µg/m³	23.1	24h	2
2026-10-08	19	2–93	5.3 µg/m³	6.0	24h	2
2026-10-07	17	5–55	4.1 µg/m³	4.5	20h	2

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