What is the air quality trend in Evergreen Park?

Over the past 8 days, Evergreen Park had an average AQI of 31 based on station measurements. The worst day was 2026-10-21 with AQI 55.

How is Evergreen Park air quality measured?

Air quality in Evergreen 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 Evergreen Park, United States

Name: Evergreen 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 Evergreen Park, 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 · 285 stations

Temperature GFS model

27pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	55	52–57	13.9 µg/m³	7.1	4h	285
2026-10-20	51	28–70	13.4 µg/m³	1.1	24h	250
2026-10-19	28	21–41	6.7 µg/m³	3.4	24h	285
2026-10-18	23	18–35	5.5 µg/m³	—	24h	262
2026-10-17	16	13–23	3.9 µg/m³	4.5	24h	284
2026-10-16	19	11–40	4.6 µg/m³	1.1	24h	272
2026-10-15	24	14–41	5.7 µg/m³	1.6	24h	283
2026-10-14	34	18–52	8.3 µg/m³	1.5	17h	282

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