What is the air quality trend in Matteson?

Over the past 8 days, Matteson had an average AQI of 47 based on station measurements. The worst day was 2026-08-05 with AQI 54.

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
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 176 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-08	38	37–38	9.0 µg/m³	—	3h	177
2026-08-07	54	37–63	14.2 µg/m³	2.4	24h	173
2026-08-06	53	40–64	13.6 µg/m³	2.9	24h	165
2026-08-05	54	50–57	13.3 µg/m³	3.6	24h	155
2026-08-04	47	38–52	11.3 µg/m³	2.7	24h	150
2026-08-03	39	25–49	9.2 µg/m³	1.6	24h	138
2026-08-02	46	43–50	11.1 µg/m³	1.7	24h	134
2026-08-01	48	38–55	11.5 µg/m³	1.4	19h	133

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