What is the air quality trend in Duncan?

Over the past 4 days, Duncan had an average AQI of 15 based on station measurements. The worst day was with AQI .

How is Duncan air quality measured?

Air quality in Duncan 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 Duncan, Canada

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

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

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

10h · 1 station

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-10	52	3–158	19.0 µg/m³	20.9	6h	1
2026-04-09	3	1–5	0.7 µg/m³	1.1	2h	1
2026-04-07	3	3–3	0.7 µg/m³	1.1	1h	1
2026-04-06	2	2–2	0.5 µg/m³	1.5	1h	1

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