What is the air quality trend in Saint Michael?

Over the past 7 days, Saint Michael had an average AQI of 23 based on station measurements. The worst day was 2026-10-20 with AQI 34.

How is Saint Michael air quality measured?

Air quality in Saint Michael 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 Saint Michael, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Saint Michael, United States.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

159h

PM2.5 Station

159h · 11 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-20	34	25–42	8.1 µg/m³	20h	11
2026-10-19	29	25–37	6.9 µg/m³	24h	11
2026-10-18	18	16–20	4.2 µg/m³	22h	11
2026-10-17	25	17–43	6.0 µg/m³	24h	11
2026-10-16	18	11–34	4.4 µg/m³	23h	11
2026-10-15	28	21–35	6.7 µg/m³	24h	11
2026-10-14	15	12–23	3.7 µg/m³	22h	11

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