What is the air quality trend in Tinley Park?

Over the past 8 days, Tinley Park had an average AQI of 99 based on station measurements. The worst day was 2026-07-17 with AQI 233.

How is Tinley Park air quality measured?

Air quality in Tinley Park 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 Tinley Park, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Tinley Park, 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 · 5 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	23	17–32	5.5 µg/m³	5h	220
2026-07-21	62	32–97	18.3 µg/m³	24h	264
2026-07-20	99	60–106	34.5 µg/m³	24h	255
2026-07-19	111	56–160	40.5 µg/m³	24h	265
2026-07-18	50	33–88	13.0 µg/m³	24h	266
2026-07-17	233	68–359	179.0 µg/m³	24h	279
2026-07-16	155	52–326	101.2 µg/m³	24h	260
2026-07-15	60	52–172	17.9 µg/m³	18h	267

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