What is the air quality trend in South Riverdale?

Over the past 8 days, South Riverdale had an average AQI of 51 based on station measurements. The worst day was 2026-05-25 with AQI 74.

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

169h

PM2.5 Station

169h · 14 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-30	44	23–77	11.7 µg/m³	1.9	10h	14
2026-05-29	52	14–140	15.2 µg/m³	12.1	24h	18
2026-05-28	42	18–104	11.5 µg/m³	1.6	24h	17
2026-05-27	55	20–163	16.5 µg/m³	6.1	24h	17
2026-05-26	42	11–103	11.4 µg/m³	6.0	24h	14
2026-05-25	74	27–165	24.3 µg/m³	11.2	24h	18
2026-05-24	44	20–84	12.1 µg/m³	7.1	24h	18
2026-05-23	56	30–89	15.7 µg/m³	3.1	15h	17

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