What is the air quality trend in Whitby?

Over the past 15 days, Whitby had an average AQI of 57 based on station measurements. The worst day was 2026-05-20 with AQI 80.

How is Whitby air quality measured?

Air quality in Whitby 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 Whitby, Canada

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 7 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	54	28–159	18.7 µg/m³	6h	7
2026-05-29	49	16–105	13.5 µg/m³	24h	9
2026-05-28	46	17–192	16.0 µg/m³	24h	9
2026-05-27	58	17–115	17.1 µg/m³	24h	9
2026-05-26	53	14–140	15.3 µg/m³	24h	8
2026-05-25	66	26–191	22.9 µg/m³	24h	9
2026-05-24	50	9–109	14.4 µg/m³	24h	9
2026-05-23	73	18–181	24.5 µg/m³	24h	11
2026-05-22	53	18–128	15.4 µg/m³	24h	9
2026-05-21	77	24–168	26.1 µg/m³	24h	11
2026-05-20	80	15–294	34.2 µg/m³	24h	10
2026-05-19	51	17–133	14.7 µg/m³	24h	9
2026-05-18	62	16–196	22.9 µg/m³	24h	8
2026-05-17	46	17–126	12.5 µg/m³	24h	5
2026-05-16	43	25–148	11.5 µg/m³	18h	9

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