What is the air quality trend in Saint Michael?

Over the past 8 days, Saint Michael had an average AQI of 84 based on station measurements. The worst day was 2026-07-16 with AQI 249.

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
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

162h

PM2.5 Station

162h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	12	12–12	2.9 µg/m³	1h	1
2026-07-21	59	30–71	16.6 µg/m³	23h	12
2026-07-20	73	28–132	23.3 µg/m³	24h	11
2026-07-19	95	61–139	32.5 µg/m³	23h	12
2026-07-18	60	45–76	16.6 µg/m³	23h	12
2026-07-17	68	50–142	20.0 µg/m³	24h	12
2026-07-16	249	22–353	200.0 µg/m³	24h	11
2026-07-15	59	22–144	16.6 µg/m³	20h	4

Back to Saint Michael Air Quality