What is the air quality trend in Ypsilanti?

Over the past 3 days, Ypsilanti had an average AQI of 27 based on station measurements. The worst day was with AQI .

How is Ypsilanti air quality measured?

Air quality in Ypsilanti 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 Ypsilanti, United States

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

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

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Trend

42h

PM2.5 Trend

42h · 1 station

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-15	30	17–73	7.8 µg/m³	10.4	9h	12
2026-04-14	24	11–42	5.7 µg/m³	7.7	24h	12
2026-04-13	27	24–29	6.4 µg/m³	2.9	9h	13

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