What is the air quality trend in Strathroy?

Over the past 21 days, Strathroy had an average AQI of 61 based on station measurements. The worst day was 2026-05-24 with AQI 89.

How is Strathroy air quality measured?

Air quality in Strathroy 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 Strathroy, Canada

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

428h

PM2.5 Station

428h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	43	13–72	11.6 µg/m³	8h	2
2026-06-08	61	11–252	25.0 µg/m³	20h	2
2026-06-07	54	5–146	16.6 µg/m³	20h	2
2026-06-06	44	10–107	12.4 µg/m³	22h	2
2026-06-05	51	9–195	17.9 µg/m³	24h	2
2026-06-04	53	10–155	16.7 µg/m³	23h	2
2026-06-03	71	11–177	28.9 µg/m³	22h	2
2026-06-02	42	9–100	11.6 µg/m³	23h	2
2026-06-01	67	11–153	21.8 µg/m³	18h	2
2026-05-31	44	10–97	12.4 µg/m³	17h	2
2026-05-30	62	16–129	19.4 µg/m³	19h	2
2026-05-29	78	17–173	28.3 µg/m³	20h	2
2026-05-28	64	23–160	19.6 µg/m³	22h	2
2026-05-27	70	30–158	22.3 µg/m³	21h	3
2026-05-26	75	31–163	25.1 µg/m³	21h	3
2026-05-25	65	7–166	22.4 µg/m³	22h	3
2026-05-24	89	13–374	39.7 µg/m³	23h	2
2026-05-23	74	17–154	23.6 µg/m³	23h	3
2026-05-22	71	17–153	23.5 µg/m³	24h	2
2026-05-21	60	13–174	19.5 µg/m³	22h	2
2026-05-20	57	13–95	17.1 µg/m³	14h	3

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