What is the air quality trend in Bay Street Corridor?

Over the past 15 days, Bay Street Corridor had an average AQI of 55 based on station measurements. The worst day was 2026-05-20 with AQI 83.

How is Bay Street Corridor air quality measured?

Air quality in Bay Street Corridor 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 Bay Street Corridor, Canada

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

Historical PM2.5 and AQI trend from monitoring stations near Bay Street Corridor, Canada.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

337h

PM2.5 Station

337h · 15 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	27–81	10.9 µg/m³	1.9	9h	12
2026-05-29	52	14–148	15.1 µg/m³	12.1	24h	15
2026-05-28	36	18–94	9.0 µg/m³	1.6	24h	15
2026-05-27	55	21–158	16.3 µg/m³	6.1	24h	15
2026-05-26	46	17–115	12.7 µg/m³	6.0	24h	13
2026-05-25	67	25–156	20.4 µg/m³	11.2	24h	16
2026-05-24	42	20–77	11.0 µg/m³	7.1	24h	15
2026-05-23	62	23–163	19.1 µg/m³	2.7	24h	17
2026-05-22	46	16–85	12.4 µg/m³	5.0	24h	12
2026-05-21	79	22–184	27.5 µg/m³	1.6	24h	17
2026-05-20	83	17–194	31.8 µg/m³	7.2	24h	14
2026-05-19	48	17–93	13.4 µg/m³	8.5	24h	13
2026-05-18	60	30–132	17.2 µg/m³	29.4	24h	11
2026-05-17	61	29–109	17.6 µg/m³	27.7	24h	6
2026-05-16	59	27–165	19.0 µg/m³	11.5	16h	15

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