What is the air quality trend in Henry Farm?

Over the past 15 days, Henry Farm had an average AQI of 56 based on station measurements. The worst day was 2026-05-21 with AQI 80.

How is Henry Farm air quality measured?

Air quality in Henry Farm 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 Henry Farm, Canada

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 11 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	50	27–129	14.6 µg/m³	2.0	7h	10
2026-05-29	47	16–101	12.9 µg/m³	12.1	24h	13
2026-05-28	42	16–100	11.3 µg/m³	1.6	24h	12
2026-05-27	51	25–129	14.2 µg/m³	6.1	24h	14
2026-05-26	52	19–114	14.6 µg/m³	6.0	24h	11
2026-05-25	70	25–155	22.0 µg/m³	11.2	24h	13
2026-05-24	45	11–95	12.2 µg/m³	7.1	24h	13
2026-05-23	71	38–153	22.2 µg/m³	2.7	24h	16
2026-05-22	52	23–92	14.3 µg/m³	5.0	24h	12
2026-05-21	80	32–177	28.2 µg/m³	1.6	24h	15
2026-05-20	70	13–185	25.4 µg/m³	7.2	24h	13
2026-05-19	50	19–100	14.0 µg/m³	8.5	24h	12
2026-05-18	64	24–176	20.8 µg/m³	29.4	24h	11
2026-05-17	55	22–111	15.3 µg/m³	27.7	24h	6
2026-05-16	46	26–77	11.9 µg/m³	10.7	17h	12

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