What is the air quality trend in Medicine Hat?

Over the past 7 days, Medicine Hat had an average AQI of 48 based on station measurements. The worst day was 2026-07-20 with AQI 59.

How is Medicine Hat air quality measured?

Air quality in Medicine Hat 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 Medicine Hat, Canada

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

109h

PM2.5 Station

109h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	51	2–162	16.3 µg/m³	17h	2
2026-07-20	59	1–177	22.7 µg/m³	17h	2
2026-07-19	31	7–57	7.6 µg/m³	14h	2
2026-07-18	50	23–103	13.6 µg/m³	16h	2
2026-07-17	43	17–72	11.2 µg/m³	16h	1
2026-07-16	53	6–122	14.8 µg/m³	16h	1
2026-07-15	51	10–99	14.5 µg/m³	13h	1

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