What is the air quality trend in Hanover Park?

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

How is Hanover Park air quality measured?

Air quality in Hanover 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 Hanover Park, United States

Name: Hanover 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 Hanover Park, United States.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 278 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-20	52	24–71	13.7 µg/m³	1.0	20h	239
2026-10-19	28	21–40	6.7 µg/m³	3.4	24h	278
2026-10-18	22	18–35	5.4 µg/m³	—	24h	255
2026-10-17	16	13–23	3.9 µg/m³	4.5	24h	277
2026-10-16	19	11–39	4.5 µg/m³	1.1	24h	265
2026-10-15	24	14–40	5.7 µg/m³	1.6	24h	277
2026-10-14	39	18–54	9.4 µg/m³	1.8	24h	277
2026-10-13	50	49–50	11.9 µg/m³	2.1	2h	278

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