What is the air quality trend in Mokena?

Over the past 8 days, Mokena had an average AQI of 31 based on station measurements. The worst day was 2026-10-20 with AQI 52.

How is Mokena air quality measured?

Air quality in Mokena 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 Mokena, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Mokena, 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 · 260 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	52	52–52	12.8 µg/m³	22.1	1h	260
2026-10-20	52	27–72	13.7 µg/m³	1.1	24h	229
2026-10-19	28	22–41	6.7 µg/m³	3.4	24h	260
2026-10-18	23	16–35	5.4 µg/m³	—	24h	239
2026-10-17	16	13–23	3.9 µg/m³	4.5	24h	260
2026-10-16	20	11–41	4.7 µg/m³	1.1	24h	249
2026-10-15	24	14–42	5.8 µg/m³	1.6	24h	260
2026-10-14	37	19–52	8.8 µg/m³	1.4	20h	260

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