What is the air quality trend in Round Lake Beach?

Over the past 3 days, Round Lake Beach had an average AQI of 10 based on station measurements. The worst day was 2026-06-08 with AQI 17.

How is Round Lake Beach air quality measured?

Air quality in Round Lake Beach 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 Round Lake Beach, United States

Name: Round Lake Beach Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Round Lake Beach, United States.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

31h

PM2.5 Station

31h · 1 station

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	4	4–4	1.0 µg/m³	1.0	1h	1
2026-06-08	17	4–49	4.2 µg/m³	3.9	18h	1
2026-06-07	10	2–24	2.5 µg/m³	2.1	12h	1

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