What is the air quality trend in Palos Hills?

Over the past 3 days, Palos Hills had an average AQI of 43 based on station measurements. The worst day was 2026-10-21 with AQI 52.

How is Palos Hills air quality measured?

Air quality in Palos Hills 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 Palos Hills, United States

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

Historical PM2.5 and AQI trend from monitoring stations near Palos Hills, United States.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

46h

PM2.5 Station

46h · 281 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	52	52–52	12.7 µg/m³	22.1	1h	281
2026-10-20	51	28–71	13.4 µg/m³	1.1	24h	248
2026-10-19	28	22–41	6.8 µg/m³	3.4	21h	281

Back to Palos Hills Air Quality