What is the air quality trend in Glendale Heights?

Over the past 8 days, Glendale Heights had an average AQI of 102 based on station measurements. The worst day was 2026-07-17 with AQI 233.

How is Glendale Heights air quality measured?

Air quality in Glendale Heights 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 Glendale Heights, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 6 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	63	32–97	18.6 µg/m³	23h	252
2026-07-20	98	53–106	34.1 µg/m³	24h	254
2026-07-19	110	52–160	40.5 µg/m³	24h	264
2026-07-18	49	26–88	12.8 µg/m³	24h	264
2026-07-17	233	69–360	179.3 µg/m³	24h	277
2026-07-16	155	51–329	101.2 µg/m³	24h	257
2026-07-15	53	51–59	12.9 µg/m³	24h	267
2026-07-14	59	59–59	16.1 µg/m³	1h	278

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