What is the air quality trend in South Riverdale?

Over the past 15 days, South Riverdale had an average AQI of 41 based on station measurements. The worst day was 2026-10-13 with AQI 71.

How is South Riverdale air quality measured?

Air quality in South Riverdale 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 South Riverdale, Canada

Name: South Riverdale Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near South Riverdale, Canada.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

332h

PM2.5 Station

332h · 4 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	18	6–43	4.4 µg/m³	3.4	10h	2
2026-10-20	33	6–94	9.4 µg/m³	18.5	24h	3
2026-10-19	66	2–162	23.4 µg/m³	32.1	24h	1
2026-10-18	17	1–98	4.0 µg/m³	4.5	24h	2
2026-10-17	57	4–166	19.8 µg/m³	33.5	24h	2
2026-10-16	64	4–184	23.9 µg/m³	27.8	20h	1
2026-10-15	66	1–154	22.7 µg/m³	33.0	24h	2
2026-10-14	44	2–103	13.0 µg/m³	20.9	24h	2
2026-10-13	71	23–160	23.5 µg/m³	26.5	24h	2
2026-10-12	50	2–133	15.5 µg/m³	18.4	24h	2
2026-10-11	12	1–25	3.0 µg/m³	1.5	24h	2
2026-10-10	20	4–58	4.5 µg/m³	5.2	24h	3
2026-10-09	69	1–164	25.7 µg/m³	29.0	24h	1
2026-10-08	27	1–115	7.6 µg/m³	11.8	24h	3
2026-10-07	14	1–59	3.4 µg/m³	3.0	14h	2

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