What is the air quality trend in Munster?

Over the past 8 days, Munster had an average AQI of 103 based on station measurements. The worst day was 2026-07-17 with AQI 233.

How is Munster air quality measured?

Air quality in Munster 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 Munster, United States

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	65	32–98	19.3 µg/m³	22h	246
2026-07-20	99	63–106	34.7 µg/m³	24h	250
2026-07-19	111	57–160	40.7 µg/m³	24h	260
2026-07-18	50	32–88	12.9 µg/m³	24h	260
2026-07-17	233	68–361	179.8 µg/m³	24h	274
2026-07-16	155	51–329	101.8 µg/m³	24h	254
2026-07-15	59	51–179	17.4 µg/m³	24h	265
2026-07-14	59	59–59	16.0 µg/m³	1h	280

Back to Munster Air Quality