What is the air quality trend in Matteson?

Over the past 7 days, Matteson had an average AQI of 28 based on station measurements. The worst day was 2026-10-20 with AQI 53.

How is Matteson air quality measured?

Air quality in Matteson 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 Matteson, United States

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 238 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-20	53	30–72	13.9 µg/m³	1.1	24h	213
2026-10-19	28	22–40	6.7 µg/m³	3.4	24h	242
2026-10-18	22	18–35	5.4 µg/m³	—	24h	222
2026-10-17	16	13–23	3.9 µg/m³	4.5	24h	242
2026-10-16	19	10–41	4.6 µg/m³	1.1	24h	232
2026-10-15	24	14–42	5.8 µg/m³	1.6	24h	241
2026-10-14	37	19–52	9.0 µg/m³	1.5	21h	240

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