What is the air quality trend in Mokena?

Over the past 8 days, Mokena had an average AQI of 100 based on station measurements. The worst day was 2026-07-17 with AQI 233.

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
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 6 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	34	34–34	8.2 µg/m³	1h	6
2026-07-21	63	32–98	18.5 µg/m³	24h	245
2026-07-20	98	57–106	34.4 µg/m³	24h	236
2026-07-19	111	50–160	40.5 µg/m³	24h	245
2026-07-18	50	33–88	12.9 µg/m³	24h	246
2026-07-17	233	68–362	179.5 µg/m³	24h	258
2026-07-16	153	52–327	99.9 µg/m³	24h	240
2026-07-15	60	51–190	18.7 µg/m³	22h	250

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