What is the air quality trend in Sainte-Julie?

Over the past 15 days, Sainte-Julie had an average AQI of 19 based on station measurements. The worst day was 2026-05-19 with AQI 56.

How is Sainte-Julie air quality measured?

Air quality in Sainte-Julie 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 Sainte-Julie, Canada

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

Historical PM2.5 and AQI trend from monitoring stations near Sainte-Julie, Canada.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

281h

PM2.5 Station

281h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	12	4–19	2.9 µg/m³	4h	1
2026-05-29	13	1–37	2.9 µg/m³	24h	1
2026-05-28	5	2–10	1.2 µg/m³	16h	1
2026-05-27	14	3–52	3.2 µg/m³	19h	1
2026-05-26	28	3–44	6.7 µg/m³	24h	1
2026-05-25	16	2–50	3.6 µg/m³	14h	1
2026-05-24	15	3–32	3.6 µg/m³	24h	1
2026-05-23	18	1–68	4.4 µg/m³	24h	1
2026-05-22	7	1–43	1.6 µg/m³	22h	1
2026-05-21	10	1–54	2.4 µg/m³	11h	1
2026-05-20	29	2–52	6.8 µg/m³	18h	1
2026-05-19	56	12–166	17.6 µg/m³	24h	1
2026-05-18	12	1–39	2.9 µg/m³	19h	1
2026-05-17	39	1–77	10.2 µg/m³	20h	1
2026-05-16	11	3–26	2.6 µg/m³	18h	1

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